158601995600 has 120 divisors (see below), whose sum is σ = 387562843200. Its totient is φ = 62364072960.

The previous prime is 158601995581. The next prime is 158601995623. The reversal of 158601995600 is 6599106851.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

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, 5630351 + ... + 5658449.

It is an arithmetic number, because the mean of its divisors is an integer number (3229690360).

Almost surely, 2^158601995600 is an apocalyptic number.

158601995600 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 158601995600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193781421600).

158601995600 is an abundant number, since it is smaller than the sum of its proper divisors (228960847600).

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

158601995600 is a wasteful number, since it uses less digits than its factorization.

158601995600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28357 (or 28346 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 158601995600 in words is "one hundred fifty-eight billion, six hundred one million, nine hundred ninety-five thousand, six hundred".