159660564 has 24 divisors (see below), whose sum is σ = 425761728. Its totient is φ = 45617280.

The previous prime is 159660541. The next prime is 159660581. The reversal of 159660564 is 465066951.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950277 + ... + 950444.

It is an arithmetic number, because the mean of its divisors is an integer number (17740072).

Almost surely, 2^159660564 is an apocalyptic number.

159660564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

159660564 is an abundant number, since it is smaller than the sum of its proper divisors (266101164).

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

159660564 is a wasteful number, since it uses less digits than its factorization.

159660564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900735 (or 1900733 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 159660564 is about 12635.6861309547. The cubic root of 159660564 is about 542.4993469097.

The spelling of 159660564 in words is "one hundred fifty-nine million, six hundred sixty thousand, five hundred sixty-four".