156956 has 6 divisors (see below), whose sum is σ = 274680. Its totient is φ = 78476.

The previous prime is 156943. The next prime is 156967. The reversal of 156956 is 659651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19616 + ... + 19623.

It is an arithmetic number, because the mean of its divisors is an integer number (45780).

2¹⁵⁶⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

156956 is a deficient number, since it is larger than the sum of its proper divisors (117724).

156956 is a wasteful number, since it uses less digits than its factorization.

156956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39243 (or 39241 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 156956 is about 396.1767282413. The cubic root of 156956 is about 53.9418670241.

The spelling of 156956 in words is "one hundred fifty-six thousand, nine hundred fifty-six".