156868672 has 28 divisors (see below), whose sum is σ = 315047376. Its totient is φ = 77486720.

The previous prime is 156868661. The next prime is 156868697. The reversal of 156868672 is 276868651.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9454 + ... + 20077.

It is an arithmetic number, because the mean of its divisors is an integer number (11251692).

Almost surely, 2^156868672 is an apocalyptic number.

It is an amenable number.

156868672 is an abundant number, since it is smaller than the sum of its proper divisors (158178704).

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

156868672 is an equidigital number, since it uses as much as digits as its factorization.

156868672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29626 (or 29616 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 156868672 is about 12524.7224320541. The cubic root of 156868672 is about 539.3186101545.

The spelling of 156868672 in words is "one hundred fifty-six million, eight hundred sixty-eight thousand, six hundred seventy-two".