157656338 has 16 divisors (see below), whose sum is σ = 284493120. Its totient is φ = 64010736.

The previous prime is 157656337. The next prime is 157656353. The reversal of 157656338 is 833656751.

It is not an unprimeable number, because it can be changed into a prime (157656337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296081 + ... + 296612.

It is an arithmetic number, because the mean of its divisors is an integer number (17780820).

Almost surely, 2^157656338 is an apocalyptic number.

157656338 is a deficient number, since it is larger than the sum of its proper divisors (126836782).

157656338 is a wasteful number, since it uses less digits than its factorization.

157656338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592721.

The product of its digits is 453600, while the sum is 44.

The square root of 157656338 is about 12556.1275081133. The cubic root of 157656338 is about 540.2197756530.

The spelling of 157656338 in words is "one hundred fifty-seven million, six hundred fifty-six thousand, three hundred thirty-eight".