157638316 has 48 divisors (see below), whose sum is σ = 314203680. Its totient is φ = 69115200.

The previous prime is 157638253. The next prime is 157638323. The reversal of 157638316 is 613836751.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153886 + ... + 154906.

It is an arithmetic number, because the mean of its divisors is an integer number (6545910).

Almost surely, 2^157638316 is an apocalyptic number.

It is an amenable number.

157638316 is a deficient number, since it is larger than the sum of its proper divisors (156565364).

157638316 is a wasteful number, since it uses less digits than its factorization.

157638316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1063 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 157638316 is about 12555.4098300294. The cubic root of 157638316 is about 540.1991903472.

The spelling of 157638316 in words is "one hundred fifty-seven million, six hundred thirty-eight thousand, three hundred sixteen".