156938461880 has 32 divisors (see below), whose sum is σ = 353732173200. Its totient is φ = 62665049856.

The previous prime is 156938461843. The next prime is 156938461891. The reversal of 156938461880 is 88164839651.

It is a happy number.

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, 3424922 + ... + 3470441.

Almost surely, 2^156938461880 is an apocalyptic number.

156938461880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156938461880 is an abundant number, since it is smaller than the sum of its proper divisors (196793711320).

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

156938461880 is a wasteful number, since it uses less digits than its factorization.

156938461880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895943 (or 6895939 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 156938461880 in words is "one hundred fifty-six billion, nine hundred thirty-eight million, four hundred sixty-one thousand, eight hundred eighty".