158328792720 has 480 divisors, whose sum is σ = 640646496000. Its totient is φ = 35206742016.

The previous prime is 158328792623. The next prime is 158328792733. The reversal of 158328792720 is 27297823851.

158328792720 is a `hidden beast` number, since 15 + 83 + 287 + 9 + 272 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20695456 + ... + 20703104.

It is an arithmetic number, because the mean of its divisors is an integer number (1334680200).

Almost surely, 2^158328792720 is an apocalyptic number.

158328792720 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 158328792720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320323248000).

158328792720 is an abundant number, since it is smaller than the sum of its proper divisors (482317703280).

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

158328792720 is a wasteful number, since it uses less digits than its factorization.

158328792720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752 (or 7703 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 158328792720 in words is "one hundred fifty-eight billion, three hundred twenty-eight million, seven hundred ninety-two thousand, seven hundred twenty".