157611680 has 48 divisors (see below), whose sum is σ = 380298240. Its totient is φ = 61700352.

The previous prime is 157611653. The next prime is 157611689. The reversal of 157611680 is 86116751.

It is a self number, because there is not a number n which added to its sum of digits gives 157611680.

It is not an unprimeable number, because it can be changed into a prime (157611689) 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, 2960 + ... + 17999.

It is an arithmetic number, because the mean of its divisors is an integer number (7922880).

Almost surely, 2^157611680 is an apocalyptic number.

157611680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157611680 is an abundant number, since it is smaller than the sum of its proper divisors (222686560).

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

157611680 is a wasteful number, since it uses less digits than its factorization.

157611680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21021 (or 21013 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 157611680 is about 12554.3490472426. The cubic root of 157611680 is about 540.1687629813.

The spelling of 157611680 in words is "one hundred fifty-seven million, six hundred eleven thousand, six hundred eighty".