158672920620 has 48 divisors (see below), whose sum is σ = 451567535328. Its totient is φ = 41619125760.

The previous prime is 158672920597. The next prime is 158672920687. The reversal of 158672920620 is 26029276851.

158672920620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 158672920620.

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, 21672969 + ... + 21680288.

It is an arithmetic number, because the mean of its divisors is an integer number (9407656986).

Almost surely, 2^158672920620 is an apocalyptic number.

158672920620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158672920620 is an abundant number, since it is smaller than the sum of its proper divisors (292894614708).

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

158672920620 is a wasteful number, since it uses less digits than its factorization.

158672920620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43353330 (or 43353328 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 158672920620 in words is "one hundred fifty-eight billion, six hundred seventy-two million, nine hundred twenty thousand, six hundred twenty".