158856121368 has 48 divisors (see below), whose sum is σ = 491697520080. Its totient is φ = 45387463104.

The previous prime is 158856121339. The next prime is 158856121379. The reversal of 158856121368 is 863121658851.

158856121368 is a `hidden beast` number, since 1 + 5 + 8 + 8 + 5 + 612 + 13 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157594855 + ... + 157595862.

It is an arithmetic number, because the mean of its divisors is an integer number (10243698335).

Almost surely, 2^158856121368 is an apocalyptic number.

158856121368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

158856121368 is an abundant number, since it is smaller than the sum of its proper divisors (332841398712).

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

158856121368 is a wasteful number, since it uses less digits than its factorization.

158856121368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315190736 (or 315190729 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The spelling of 158856121368 in words is "one hundred fifty-eight billion, eight hundred fifty-six million, one hundred twenty-one thousand, three hundred sixty-eight".