158871858860 has 48 divisors (see below), whose sum is σ = 391957991712. Its totient is φ = 53327616000.

The previous prime is 158871858833. The next prime is 158871858881. The reversal of 158871858860 is 68858178851.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27771941 + ... + 27777660.

It is an arithmetic number, because the mean of its divisors is an integer number (8165791494).

Almost surely, 2^158871858860 is an apocalyptic number.

158871858860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158871858860 is an abundant number, since it is smaller than the sum of its proper divisors (233086132852).

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

158871858860 is a wasteful number, since it uses less digits than its factorization.

158871858860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55549634 (or 55549632 counting only the distinct ones).

The product of its (nonzero) digits is 34406400, while the sum is 65.

The spelling of 158871858860 in words is "one hundred fifty-eight billion, eight hundred seventy-one million, eight hundred fifty-eight thousand, eight hundred sixty".