156540656 has 20 divisors (see below), whose sum is σ = 306954312. Its totient is φ = 77326656.

The previous prime is 156540653. The next prime is 156540661. The reversal of 156540656 is 656045651.

156540656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156540653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57611 + ... + 60266.

Almost surely, 2^156540656 is an apocalyptic number.

156540656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

156540656 is a deficient number, since it is larger than the sum of its proper divisors (150413656).

156540656 is a wasteful number, since it uses less digits than its factorization.

156540656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117968 (or 117962 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 156540656 is about 12511.6208382447. The cubic root of 156540656 is about 538.9424386333.

The spelling of 156540656 in words is "one hundred fifty-six million, five hundred forty thousand, six hundred fifty-six".