158913934920 has 96 divisors (see below), whose sum is σ = 556198788600. Its totient is φ = 39117275136.

The previous prime is 158913934919. The next prime is 158913934967. The reversal of 158913934920 is 29439319851.

158913934920 is a `hidden beast` number, since 1 + 58 + 9 + 13 + 93 + 492 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 71696488644 + 87217446276 = 267762^2 + 295326^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16973305 + ... + 16982664.

Almost surely, 2^158913934920 is an apocalyptic number.

158913934920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158913934920 is an abundant number, since it is smaller than the sum of its proper divisors (397284853680).

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

158913934920 is a wasteful number, since it uses less digits than its factorization.

158913934920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33955999 (or 33955992 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 158913934920 in words is "one hundred fifty-eight billion, nine hundred thirteen million, nine hundred thirty-four thousand, nine hundred twenty".