156180846980 has 24 divisors (see below), whose sum is σ = 328908914712. Its totient is φ = 62295360512.

The previous prime is 156180846979. The next prime is 156180847027. The reversal of 156180846980 is 89648081651.

It can be written as a sum of positive squares in 4 ways, for example, as 7319144704 + 148861702276 = 85552^2 + 385826^2 .

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, 11053907 + ... + 11068026.

It is an arithmetic number, because the mean of its divisors is an integer number (13704538113).

Almost surely, 2^156180846980 is an apocalyptic number.

156180846980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156180846980 is an abundant number, since it is smaller than the sum of its proper divisors (172728067732).

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

156180846980 is a wasteful number, since it uses less digits than its factorization.

156180846980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22122295 (or 22122293 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 56.

The spelling of 156180846980 in words is "one hundred fifty-six billion, one hundred eighty million, eight hundred forty-six thousand, nine hundred eighty".