158791080 has 128 divisors (see below), whose sum is σ = 568166400. Its totient is φ = 34712832.

The previous prime is 158791069. The next prime is 158791093. The reversal of 158791080 is 80197851.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15211 + ... + 23429.

It is an arithmetic number, because the mean of its divisors is an integer number (4438800).

Almost surely, 2^158791080 is an apocalyptic number.

158791080 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 158791080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284083200).

158791080 is an abundant number, since it is smaller than the sum of its proper divisors (409375320).

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

158791080 is a wasteful number, since it uses less digits than its factorization.

158791080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8263 (or 8259 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 158791080 is about 12601.2332729777. The cubic root of 158791080 is about 541.5127677444.

The spelling of 158791080 in words is "one hundred fifty-eight million, seven hundred ninety-one thousand, eighty".