165164684 has 12 divisors (see below), whose sum is σ = 289383024. Its totient is φ = 82483824.

The previous prime is 165164651. The next prime is 165164689. The reversal of 165164684 is 486461561.

It is a hoax number, since the sum of its digits (41) 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 (165164689) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20792 + ... + 27615.

It is an arithmetic number, because the mean of its divisors is an integer number (24115252).

Almost surely, 2^165164684 is an apocalyptic number.

It is an amenable number.

165164684 is a deficient number, since it is larger than the sum of its proper divisors (124218340).

165164684 is a wasteful number, since it uses less digits than its factorization.

165164684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49264 (or 49262 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 165164684 is about 12851.6412959590. The cubic root of 165164684 is about 548.6630713117.

The spelling of 165164684 in words is "one hundred sixty-five million, one hundred sixty-four thousand, six hundred eighty-four".