166165100 has 36 divisors (see below), whose sum is σ = 361435200. Its totient is φ = 66308160.

The previous prime is 166165079. The next prime is 166165141. The reversal of 166165100 is 1561661.

It is a super-2 number, since 2×166165100² = 55221680916020000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166165100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46166 + ... + 49634.

Almost surely, 2^166165100 is an apocalyptic number.

166165100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166165100 is an abundant number, since it is smaller than the sum of its proper divisors (195270100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166165100 is a wasteful number, since it uses less digits than its factorization.

166165100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962 (or 3955 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 166165100 is about 12890.5042570103. The cubic root of 166165100 is about 549.7686078982.

The spelling of 166165100 in words is "one hundred sixty-six million, one hundred sixty-five thousand, one hundred".