165164252 has 24 divisors (see below), whose sum is σ = 319639152. Its totient is φ = 74044800.

The previous prime is 165164239. The next prime is 165164257. The reversal of 165164252 is 252461561.

165164252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165164257) 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, 22499 + ... + 28922.

It is an arithmetic number, because the mean of its divisors is an integer number (13318298).

Almost surely, 2^165164252 is an apocalyptic number.

It is an amenable number.

165164252 is a deficient number, since it is larger than the sum of its proper divisors (154474900).

165164252 is a wasteful number, since it uses less digits than its factorization.

165164252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51509 (or 51507 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 165164252 is about 12851.6244887563. The cubic root of 165164252 is about 548.6625929555.

The spelling of 165164252 in words is "one hundred sixty-five million, one hundred sixty-four thousand, two hundred fifty-two".