158932386738 has 32 divisors (see below), whose sum is σ = 353197699200. Its totient is φ = 52975269648.

The previous prime is 158932386737. The next prime is 158932386749. The reversal of 158932386738 is 837683239851.

158932386738 is a `hidden beast` number, since 158 + 9 + 32 + 386 + 73 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (158932386737) 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, 1749748 + ... + 1838336.

It is an arithmetic number, because the mean of its divisors is an integer number (11037428100).

Almost surely, 2^158932386738 is an apocalyptic number.

158932386738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

158932386738 is an abundant number, since it is smaller than the sum of its proper divisors (194265312462).

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

158932386738 is a wasteful number, since it uses less digits than its factorization.

158932386738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121823 (or 121817 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 158932386738 in words is "one hundred fifty-eight billion, nine hundred thirty-two million, three hundred eighty-six thousand, seven hundred thirty-eight".