1666

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 4 (3 unique) factors are:
2
7² = 49
17

Its 12 divisors are:
1
2
7
14
17
34
49
98
119
238
833
1666
Its aliquote sum is:
1412
makeing it a deficient number.

As Unicode codepoint (since version 1.1) this number represents this character:ڂ ARABIC LETTER HAH WITH TWO DOTS VERTICAL ABOVE in Arabic (Source: https://ucdapi.org/unicode/latest/codepoint/dec/1666); HTML: ڂ

The number appears at position 5402 of the decimal digits of π surrounded by
63601975988281613323166636528619326686336062 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: 803.172ms; cpu: 76.9190000000002ms)