165213368032 has 48 divisors (see below), whose sum is σ = 326382500304. Its totient is φ = 82323072000.

The previous prime is 165213367931. The next prime is 165213368069. The reversal of 165213368032 is 230863312561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11513182 + ... + 11527522.

It is an arithmetic number, because the mean of its divisors is an integer number (6799635423).

Almost surely, 2^165213368032 is an apocalyptic number.

It is an amenable number.

165213368032 is a deficient number, since it is larger than the sum of its proper divisors (161169132272).

165213368032 is a wasteful number, since it uses less digits than its factorization.

165213368032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15563 (or 15555 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 165213368032 in words is "one hundred sixty-five billion, two hundred thirteen million, three hundred sixty-eight thousand, thirty-two".