157971560 has 32 divisors (see below), whose sum is σ = 359942400. Its totient is φ = 62387520.

The previous prime is 157971553. The next prime is 157971563. The reversal of 157971560 is 65179751.

It is not an unprimeable number, because it can be changed into a prime (157971563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21836 + ... + 28155.

It is an arithmetic number, because the mean of its divisors is an integer number (11248200).

Almost surely, 2^157971560 is an apocalyptic number.

157971560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157971560 is an abundant number, since it is smaller than the sum of its proper divisors (201970840).

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

157971560 is a wasteful number, since it uses less digits than its factorization.

157971560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50081 (or 50077 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 41.

The square root of 157971560 is about 12568.6737566061. The cubic root of 157971560 is about 540.5795789076.

The spelling of 157971560 in words is "one hundred fifty-seven million, nine hundred seventy-one thousand, five hundred sixty".