157697140032 has 98 divisors (see below), whose sum is σ = 469180902378. Its totient is φ = 52565697792.

The previous prime is 157697139997. The next prime is 157697140067. The reversal of 157697140032 is 230041796751.

157697140032 is a `hidden beast` number, since 1 + 576 + 9 + 7 + 1 + 40 + 0 + 32 = 666.

157697140032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157697139997) and next prime (157697140067).

It can be written as a sum of positive squares in only one way, i.e., 153526046976 + 4171093056 = 391824^2 + 64584^2 .

It is a super-2 number, since 2×157697140032² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157697140032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1643343 + ... + 1736654.

Almost surely, 2^157697140032 is an apocalyptic number.

157697140032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157697140032 is an abundant number, since it is smaller than the sum of its proper divisors (311483762346).

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

157697140032 is an frugal number, since it uses more digits than its factorization.

157697140032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380027 (or 3380002 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 157697140032 in words is "one hundred fifty-seven billion, six hundred ninety-seven million, one hundred forty thousand, thirty-two".