159641931680 has 96 divisors (see below), whose sum is σ = 470218089600. Its totient is φ = 49758520320.

The previous prime is 159641931653. The next prime is 159641931703. The reversal of 159641931680 is 86139146951.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6466655 + ... + 6491294.

It is an arithmetic number, because the mean of its divisors is an integer number (4898105100).

Almost surely, 2^159641931680 is an apocalyptic number.

159641931680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159641931680 is an abundant number, since it is smaller than the sum of its proper divisors (310576157920).

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

159641931680 is a wasteful number, since it uses less digits than its factorization.

159641931680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12957982 (or 12957974 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 159641931680 in words is "one hundred fifty-nine billion, six hundred forty-one million, nine hundred thirty-one thousand, six hundred eighty".