165474564 has 24 divisors (see below), whose sum is σ = 386628480. Its totient is φ = 55083744.

The previous prime is 165474539. The next prime is 165474587. The reversal of 165474564 is 465474561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357 + ... + 18195.

It is an arithmetic number, because the mean of its divisors is an integer number (16109520).

Almost surely, 2^165474564 is an apocalyptic number.

It is an amenable number.

165474564 is an abundant number, since it is smaller than the sum of its proper divisors (221153916).

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

165474564 is a wasteful number, since it uses less digits than its factorization.

165474564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18619 (or 18617 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 165474564 is about 12863.6916940667. The cubic root of 165474564 is about 549.0059886341.

The spelling of 165474564 in words is "one hundred sixty-five million, four hundred seventy-four thousand, five hundred sixty-four".