156940560 has 120 divisors (see below), whose sum is σ = 602372160. Its totient is φ = 35870976.

The previous prime is 156940559. The next prime is 156940571. The reversal of 156940560 is 65049651.

156940560 is a `hidden beast` number, since 1 + 5 + 6 + 94 + 0 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×156940560² = 49260678746227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10530 + ... + 20609.

It is an arithmetic number, because the mean of its divisors is an integer number (5019768).

Almost surely, 2^156940560 is an apocalyptic number.

156940560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156940560 is an abundant number, since it is smaller than the sum of its proper divisors (445431600).

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

156940560 is a wasteful number, since it uses less digits than its factorization.

156940560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31165 (or 31156 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 156940560 is about 12527.5919473776. The cubic root of 156940560 is about 539.4009818497.

The spelling of 156940560 in words is "one hundred fifty-six million, nine hundred forty thousand, five hundred sixty".