165387938924 has 48 divisors (see below), whose sum is σ = 321841470720. Its totient is φ = 73848913920.

The previous prime is 165387938887. The next prime is 165387939007. The reversal of 165387938924 is 429839783561.

165387938924 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6320492 + ... + 6346604.

It is an arithmetic number, because the mean of its divisors is an integer number (6705030640).

Almost surely, 2^165387938924 is an apocalyptic number.

It is an amenable number.

165387938924 is a deficient number, since it is larger than the sum of its proper divisors (156453531796).

165387938924 is a wasteful number, since it uses less digits than its factorization.

165387938924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30090 (or 30088 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 65.

The spelling of 165387938924 in words is "one hundred sixty-five billion, three hundred eighty-seven million, nine hundred thirty-eight thousand, nine hundred twenty-four".