158991360 has 176 divisors, whose sum is σ = 555342912. Its totient is φ = 38502400.

The previous prime is 158991359. The next prime is 158991379. The reversal of 158991360 is 63199851.

It is a tau number, because it is divible by the number of its divisors (176).

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, 168490 + ... + 169430.

Almost surely, 2^158991360 is an apocalyptic number.

158991360 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 158991360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277671456).

158991360 is an abundant number, since it is smaller than the sum of its proper divisors (396351552).

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

158991360 is a wasteful number, since it uses less digits than its factorization.

158991360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 158991360 is about 12609.1776099792. The cubic root of 158991360 is about 541.7403384870.

The spelling of 158991360 in words is "one hundred fifty-eight million, nine hundred ninety-one thousand, three hundred sixty".