158179660828 has 24 divisors (see below), whose sum is σ = 324075405024. Its totient is φ = 66137836800.

The previous prime is 158179660817. The next prime is 158179660879. The reversal of 158179660828 is 828066971851.

It is a super-2 number, since 2×158179660828² (a number of 23 digits) contains 22 as substring.

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, 68892433 + ... + 68894728.

It is an arithmetic number, because the mean of its divisors is an integer number (13503141876).

Almost surely, 2^158179660828 is an apocalyptic number.

It is an amenable number.

158179660828 is an abundant number, since it is smaller than the sum of its proper divisors (165895744196).

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

158179660828 is a wasteful number, since it uses less digits than its factorization.

158179660828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137787213 (or 137787211 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 61.

The spelling of 158179660828 in words is "one hundred fifty-eight billion, one hundred seventy-nine million, six hundred sixty thousand, eight hundred twenty-eight".