151656968 has 32 divisors (see below), whose sum is σ = 292464000. Its totient is φ = 73689792.

The previous prime is 151656943. The next prime is 151656971. The reversal of 151656968 is 869656151.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54671 + ... + 57377.

It is an arithmetic number, because the mean of its divisors is an integer number (9139500).

Almost surely, 2^151656968 is an apocalyptic number.

It is an amenable number.

151656968 is a deficient number, since it is larger than the sum of its proper divisors (140807032).

151656968 is a wasteful number, since it uses less digits than its factorization.

151656968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909 (or 2905 counting only the distinct ones).

The product of its digits is 388800, while the sum is 47.

The square root of 151656968 is about 12314.9083634431. The cubic root of 151656968 is about 533.2785593054.

The spelling of 151656968 in words is "one hundred fifty-one million, six hundred fifty-six thousand, nine hundred sixty-eight".