165057164 has 6 divisors (see below), whose sum is σ = 288850044. Its totient is φ = 82528580.

The previous prime is 165057163. The next prime is 165057169. The reversal of 165057164 is 461750561.

It is not an unprimeable number, because it can be changed into a prime (165057163) 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 as a sum of consecutive naturals, namely, 20632142 + ... + 20632149.

It is an arithmetic number, because the mean of its divisors is an integer number (48141674).

Almost surely, 2^165057164 is an apocalyptic number.

It is an amenable number.

165057164 is a deficient number, since it is larger than the sum of its proper divisors (123792880).

165057164 is a wasteful number, since it uses less digits than its factorization.

165057164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41264295 (or 41264293 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 165057164 is about 12847.4574916596. The cubic root of 165057164 is about 548.5439880273.

The spelling of 165057164 in words is "one hundred sixty-five million, fifty-seven thousand, one hundred sixty-four".