157587660 has 48 divisors (see below), whose sum is σ = 490274400. Its totient is φ = 42023232.

The previous prime is 157587659. The next prime is 157587667. The reversal of 157587660 is 66785751.

157587660 is a `hidden beast` number, since 1 + 5 + 7 + 587 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (157587667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145375 + ... + 146454.

It is an arithmetic number, because the mean of its divisors is an integer number (10214050).

Almost surely, 2^157587660 is an apocalyptic number.

157587660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157587660 is an abundant number, since it is smaller than the sum of its proper divisors (332686740).

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

157587660 is a wasteful number, since it uses less digits than its factorization.

157587660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291847 (or 291839 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 157587660 is about 12553.3923701922. The cubic root of 157587660 is about 540.1413210370.

The spelling of 157587660 in words is "one hundred fifty-seven million, five hundred eighty-seven thousand, six hundred sixty".