158655715940 has 24 divisors (see below), whose sum is σ = 333972192960. Its totient is φ = 63310821728.

The previous prime is 158655715919. The next prime is 158655715991. The reversal of 158655715940 is 49517556851.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9457952 + ... + 9474711.

It is an arithmetic number, because the mean of its divisors is an integer number (13915508040).

Almost surely, 2^158655715940 is an apocalyptic number.

158655715940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158655715940 is an abundant number, since it is smaller than the sum of its proper divisors (175316477020).

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

158655715940 is a wasteful number, since it uses less digits than its factorization.

158655715940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18933091 (or 18933089 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 56.

The spelling of 158655715940 in words is "one hundred fifty-eight billion, six hundred fifty-five million, seven hundred fifteen thousand, nine hundred forty".