156968924 has 12 divisors (see below), whose sum is σ = 313937904. Its totient is φ = 67272384.

The previous prime is 156968897. The next prime is 156968927. The reversal of 156968924 is 429869651.

156968924 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156968927) 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, 2802989 + ... + 2803044.

It is an arithmetic number, because the mean of its divisors is an integer number (26161492).

Almost surely, 2^156968924 is an apocalyptic number.

156968924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

156968924 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

156968924 is a wasteful number, since it uses less digits than its factorization.

156968924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606044 (or 5606042 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 156968924 is about 12528.7239573709. The cubic root of 156968924 is about 539.4334753573.

The spelling of 156968924 in words is "one hundred fifty-six million, nine hundred sixty-eight thousand, nine hundred twenty-four".