156325661020 has 12 divisors (see below), whose sum is σ = 328283888184. Its totient is φ = 62530264400.

The previous prime is 156325660993. The next prime is 156325661111. The reversal of 156325661020 is 20166523651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3908141506 + ... + 3908141545.

It is an arithmetic number, because the mean of its divisors is an integer number (27356990682).

Almost surely, 2^156325661020 is an apocalyptic number.

156325661020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156325661020 is an abundant number, since it is smaller than the sum of its proper divisors (171958227164).

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

156325661020 is a wasteful number, since it uses less digits than its factorization.

156325661020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816283060 (or 7816283058 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 156325661020 in words is "one hundred fifty-six billion, three hundred twenty-five million, six hundred sixty-one thousand, twenty".