158791361928 has 64 divisors (see below), whose sum is σ = 402948648000. Its totient is φ = 52136340480.

The previous prime is 158791361921. The next prime is 158791361951. The reversal of 158791361928 is 829163197851.

158791361928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (158791361921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273723 + ... + 1392821.

It is an arithmetic number, because the mean of its divisors is an integer number (6296072625).

Almost surely, 2^158791361928 is an apocalyptic number.

It is an amenable number.

158791361928 is an abundant number, since it is smaller than the sum of its proper divisors (244157286072).

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

158791361928 is a wasteful number, since it uses less digits than its factorization.

158791361928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119942 (or 119938 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 60.

The spelling of 158791361928 in words is "one hundred fifty-eight billion, seven hundred ninety-one million, three hundred sixty-one thousand, nine hundred twenty-eight".