157599993330 has 80 divisors (see below), whose sum is σ = 456366506904. Its totient is φ = 38793841920.

The previous prime is 157599993311. The next prime is 157599993337. The reversal of 157599993330 is 33399995751.

157599993330 is a `hidden beast` number, since 1 + 5 + 7 + 599 + 9 + 9 + 3 + 3 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39815812521 + 117784180809 = 199539^2 + 343197^2 .

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (157599993337) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7472851 + ... + 7493910.

Almost surely, 2^157599993330 is an apocalyptic number.

157599993330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157599993330 is an abundant number, since it is smaller than the sum of its proper divisors (298766513574).

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

157599993330 is a wasteful number, since it uses less digits than its factorization.

157599993330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14966793 (or 14966784 counting only the distinct ones).

The product of its (nonzero) digits is 31000725, while the sum is 63.

The spelling of 157599993330 in words is "one hundred fifty-seven billion, five hundred ninety-nine million, nine hundred ninety-three thousand, three hundred thirty".