158257809180 has 96 divisors (see below), whose sum is σ = 492845371200. Its totient is φ = 42160276224.

The previous prime is 158257809161. The next prime is 158257809209. The reversal of 158257809180 is 81908752851.

158257809180 is a `hidden beast` number, since 1 + 58 + 2 + 578 + 0 + 9 + 18 + 0 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

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, 402366 + ... + 691674.

It is an arithmetic number, because the mean of its divisors is an integer number (5133805950).

Almost surely, 2^158257809180 is an apocalyptic number.

158257809180 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 158257809180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246422685600).

158257809180 is an abundant number, since it is smaller than the sum of its proper divisors (334587562020).

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

158257809180 is a wasteful number, since it uses less digits than its factorization.

158257809180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290340 (or 290332 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 54.

The spelling of 158257809180 in words is "one hundred fifty-eight billion, two hundred fifty-seven million, eight hundred nine thousand, one hundred eighty".