158642577868 has 48 divisors (see below), whose sum is σ = 289041984000. Its totient is φ = 76124922048.

The previous prime is 158642577857. The next prime is 158642577869. The reversal of 158642577868 is 868775246851.

It is not an unprimeable number, because it can be changed into a prime (158642577869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39768018 + ... + 39772006.

It is an arithmetic number, because the mean of its divisors is an integer number (6021708000).

Almost surely, 2^158642577868 is an apocalyptic number.

It is an amenable number.

158642577868 is a deficient number, since it is larger than the sum of its proper divisors (130399406132).

158642577868 is a wasteful number, since it uses less digits than its factorization.

158642577868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014 (or 8012 counting only the distinct ones).

The product of its digits is 180633600, while the sum is 67.

The spelling of 158642577868 in words is "one hundred fifty-eight billion, six hundred forty-two million, five hundred seventy-seven thousand, eight hundred sixty-eight".