158947636520 has 32 divisors (see below), whose sum is σ = 376454930400. Its totient is φ = 60232788288.

The previous prime is 158947636487. The next prime is 158947636567. The reversal of 158947636520 is 25636749851.

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, 104570054 + ... + 104571573.

It is an arithmetic number, because the mean of its divisors is an integer number (11764216575).

It is a 1-persistent number, because it is pandigital, but 2⋅158947636520 = 317895273040 is not.

Almost surely, 2^158947636520 is an apocalyptic number.

158947636520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158947636520 is an abundant number, since it is smaller than the sum of its proper divisors (217507293880).

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

158947636520 is a wasteful number, since it uses less digits than its factorization.

158947636520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209141657 (or 209141653 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 158947636520 in words is "one hundred fifty-eight billion, nine hundred forty-seven million, six hundred thirty-six thousand, five hundred twenty".