156880880 has 40 divisors (see below), whose sum is σ = 392808192. Its totient is φ = 57924864.

The previous prime is 156880859. The next prime is 156880897. The reversal of 156880880 is 88088651.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×156880880² = 49223221019148800, which 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, 74384 + ... + 76463.

Almost surely, 2^156880880 is an apocalyptic number.

156880880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156880880 is an abundant number, since it is smaller than the sum of its proper divisors (235927312).

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

156880880 is a wasteful number, since it uses less digits than its factorization.

156880880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150873 (or 150867 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 44.

The square root of 156880880 is about 12525.2097786824. The cubic root of 156880880 is about 539.3326002663.

The spelling of 156880880 in words is "one hundred fifty-six million, eight hundred eighty thousand, eight hundred eighty".