165031058825 has 12 divisors (see below), whose sum is σ = 206200643088. Its totient is φ = 131017021200.

The previous prime is 165031058791. The next prime is 165031058891. The reversal of 165031058825 is 528850130561.

165031058825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165031058825 - 2⁶ = 165031058761 is a prime.

It is a super-2 number, since 2×165031058825² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25192307 + ... + 25198856.

It is an arithmetic number, because the mean of its divisors is an integer number (17183386924).

Almost surely, 2^165031058825 is an apocalyptic number.

It is an amenable number.

165031058825 is a deficient number, since it is larger than the sum of its proper divisors (41169584263).

165031058825 is a wasteful number, since it uses less digits than its factorization.

165031058825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50391304 (or 50391299 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 165031058825 in words is "one hundred sixty-five billion, thirty-one million, fifty-eight thousand, eight hundred twenty-five".