157946664 has 16 divisors (see below), whose sum is σ = 394866720. Its totient is φ = 52648880.

The previous prime is 157946653. The next prime is 157946683. The reversal of 157946664 is 466649751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290532 + ... + 3290579.

It is an arithmetic number, because the mean of its divisors is an integer number (24679170).

Almost surely, 2^157946664 is an apocalyptic number.

It is an amenable number.

157946664 is an abundant number, since it is smaller than the sum of its proper divisors (236920056).

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

157946664 is a wasteful number, since it uses less digits than its factorization.

157946664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6581120 (or 6581116 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 157946664 is about 12567.6833187346. The cubic root of 157946664 is about 540.5511793310.

The spelling of 157946664 in words is "one hundred fifty-seven million, nine hundred forty-six thousand, six hundred sixty-four".