158031111168 has 132 divisors (see below), whose sum is σ = 521498960320. Its totient is φ = 45151727616.

The previous prime is 158031111109. The next prime is 158031111179. The reversal of 158031111168 is 861111130851.

158031111168 is a `hidden beast` number, since 1 + 580 + 3 + 1 + 1 + 1 + 11 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1160308 + ... + 1289331.

Almost surely, 2^158031111168 is an apocalyptic number.

158031111168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

158031111168 is an abundant number, since it is smaller than the sum of its proper divisors (363467849152).

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

158031111168 is a wasteful number, since it uses less digits than its factorization.

158031111168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449672 (or 2449651 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 36.

The spelling of 158031111168 in words is "one hundred fifty-eight billion, thirty-one million, one hundred eleven thousand, one hundred sixty-eight".