158957170572 has 48 divisors (see below), whose sum is σ = 376642322784. Its totient is φ = 52171200000.

The previous prime is 158957170543. The next prime is 158957170597. The reversal of 158957170572 is 275071759851.

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, 142929 + ... + 581672.

It is an arithmetic number, because the mean of its divisors is an integer number (7846715058).

Almost surely, 2^158957170572 is an apocalyptic number.

158957170572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158957170572 is an abundant number, since it is smaller than the sum of its proper divisors (217685152212).

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

158957170572 is a wasteful number, since it uses less digits than its factorization.

158957170572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724890 (or 724888 counting only the distinct ones).

The product of its (nonzero) digits is 6174000, while the sum is 57.

The spelling of 158957170572 in words is "one hundred fifty-eight billion, nine hundred fifty-seven million, one hundred seventy thousand, five hundred seventy-two".