157166732 has 6 divisors (see below), whose sum is σ = 275041788. Its totient is φ = 78583364.

The previous prime is 157166729. The next prime is 157166741. The reversal of 157166732 is 237661751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19645838 + ... + 19645845.

It is an arithmetic number, because the mean of its divisors is an integer number (45840298).

Almost surely, 2^157166732 is an apocalyptic number.

It is an amenable number.

157166732 is a deficient number, since it is larger than the sum of its proper divisors (117875056).

157166732 is a wasteful number, since it uses less digits than its factorization.

157166732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39291687 (or 39291685 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 157166732 is about 12536.6156517618. The cubic root of 157166732 is about 539.6599734088.

The spelling of 157166732 in words is "one hundred fifty-seven million, one hundred sixty-six thousand, seven hundred thirty-two".