165147233928 has 64 divisors (see below), whose sum is σ = 417508456320. Its totient is φ = 54431808000.

The previous prime is 165147233903. The next prime is 165147233959. The reversal of 165147233928 is 829332741561.

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, 1799901 + ... + 1889427.

It is an arithmetic number, because the mean of its divisors is an integer number (6523569630).

Almost surely, 2^165147233928 is an apocalyptic number.

It is an amenable number.

165147233928 is an abundant number, since it is smaller than the sum of its proper divisors (252361222392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165147233928 is a wasteful number, since it uses less digits than its factorization.

165147233928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90398 (or 90394 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 165147233928 in words is "one hundred sixty-five billion, one hundred forty-seven million, two hundred thirty-three thousand, nine hundred twenty-eight".