166517004 has 24 divisors (see below), whose sum is σ = 388862208. Its totient is φ = 55459600.

The previous prime is 166517003. The next prime is 166517009. The reversal of 166517004 is 400715661.

166517004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166517004² = 55455825242272032, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (166517003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11329 + ... + 21479.

It is an arithmetic number, because the mean of its divisors is an integer number (16202592).

Almost surely, 2^166517004 is an apocalyptic number.

It is an amenable number.

166517004 is an abundant number, since it is smaller than the sum of its proper divisors (222345204).

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

166517004 is a wasteful number, since it uses less digits than its factorization.

166517004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11525 (or 11523 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 166517004 is about 12904.1467753587. The cubic root of 166517004 is about 550.1564337390.

The spelling of 166517004 in words is "one hundred sixty-six million, five hundred seventeen thousand, four".