165168364 has 6 divisors (see below), whose sum is σ = 289044644. Its totient is φ = 82584180.

The previous prime is 165168331. The next prime is 165168373. The reversal of 165168364 is 463861561.

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 as a sum of consecutive naturals, namely, 20646042 + ... + 20646049.

Almost surely, 2^165168364 is an apocalyptic number.

It is an amenable number.

165168364 is a deficient number, since it is larger than the sum of its proper divisors (123876280).

165168364 is a wasteful number, since it uses less digits than its factorization.

165168364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41292095 (or 41292093 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 165168364 is about 12851.7844675360. The cubic root of 165168364 is about 548.6671461641.

The spelling of 165168364 in words is "one hundred sixty-five million, one hundred sixty-eight thousand, three hundred sixty-four".