159731732160 has 2688 divisors, whose sum is σ = 806357422080. Its totient is φ = 28904325120.

The previous prime is 159731732143. The next prime is 159731732177. The reversal of 159731732160 is 61237137951.

159731732160 is a `hidden beast` number, since 1 + 5 + 9 + 7 + 317 + 321 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (159731732143) and next prime (159731732177).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2188105884 + ... + 2188105956.

It is an arithmetic number, because the mean of its divisors is an integer number (299984160).

Almost surely, 2^159731732160 is an apocalyptic number.

159731732160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159731732160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403178711040).

159731732160 is an abundant number, since it is smaller than the sum of its proper divisors (646625689920).

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

159731732160 is a wasteful number, since it uses less digits than its factorization.

159731732160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The spelling of 159731732160 in words is "one hundred fifty-nine billion, seven hundred thirty-one million, seven hundred thirty-two thousand, one hundred sixty".