157693056 has 32 divisors (see below), whose sum is σ = 418873200. Its totient is φ = 52564224.

The previous prime is 157693049. The next prime is 157693061. The reversal of 157693056 is 650396751.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 157692999 and 157693017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204946 + ... + 205713.

Almost surely, 2^157693056 is an apocalyptic number.

157693056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157693056 is an abundant number, since it is smaller than the sum of its proper divisors (261180144).

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

157693056 is an equidigital number, since it uses as much as digits as its factorization.

157693056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410676 (or 410664 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 157693056 is about 12557.5895776220. The cubic root of 157693056 is about 540.2617112754.

The spelling of 157693056 in words is "one hundred fifty-seven million, six hundred ninety-three thousand, fifty-six".