| Base 10 | 166 (3 digits) | ||
| Digit Sum: 13 | Digital Root: 4 | sad | |
| Base 2 | 0b10100110 (8 digits) | ||
| Digit Sum: 0b100 | Digital Root: 0b1 | always happy | |
| Base 8 | 0246 (3 digits) | ||
| Digit Sum: 014 | Digital Root: 05 | sad | |
| Base 16 | 0xa6 (2 digits) | ||
| Digit Sum: 0x10 | Digital Root: 0x1 | happy | |
More about this number at Positiv Integers and Number Empire.
The number is not a prime.
Its 2 (2 unique) factors are:
2
83
Its 4 divisors are:
1
2
83
166
Its aliquote sum is: 
86
makeing it a
deficient
number.
| In HTML this number represents this color: | 
 ⇧↑⇧↑⇧↑ #0000A6 ⇩↓⇩↓⇩↓  | 
As Unicode codepoint (since version 1.1) this number represents this character:¦ BROKEN BAR in Latin_1_Sup (Source: https://www.unicode.org/Public/UCD/latest/ucdxml/ucd.all.grouped.zip); HTML: ¦
In the work of Johann Sebastian Bach BWV 166 is Wo gehest du hin?
The number appears at position 2746 of the decimal digits of π surrounded by
4135473573952311342716610213596953623144295 Source: The Pi-Search Page
Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 662.85ms; cpu: 81.0659999999999ms)