165026875125 has 128 divisors (see below), whose sum is σ = 324155520000. Its totient is φ = 72999014400.

The previous prime is 165026875109. The next prime is 165026875141. The reversal of 165026875125 is 521578620561.

It is an interprime number because it is at equal distance from previous prime (165026875109) and next prime (165026875141).

It is not a de Polignac number, because 165026875125 - 2⁴ = 165026875109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10148001 + ... + 10164249.

It is an arithmetic number, because the mean of its divisors is an integer number (2532465000).

Almost surely, 2^165026875125 is an apocalyptic number.

165026875125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165026875125 is a deficient number, since it is larger than the sum of its proper divisors (159128644875).

165026875125 is a wasteful number, since it uses less digits than its factorization.

165026875125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16400 (or 16390 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 165026875125 in words is "one hundred sixty-five billion, twenty-six million, eight hundred seventy-five thousand, one hundred twenty-five".