158189372523 has 96 divisors (see below), whose sum is σ = 291160665600. Its totient is φ = 82659782016.

The previous prime is 158189372507. The next prime is 158189372567. The reversal of 158189372523 is 325273981851.

158189372523 is a `hidden beast` number, since 1 + 5 + 8 + 1 + 89 + 37 + 2 + 523 = 666.

It is not a de Polignac number, because 158189372523 - 2⁴ = 158189372507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158189372523.

It is not an unprimeable number, because it can be changed into a prime (158189372123) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 29188908 + ... + 29194326.

It is an arithmetic number, because the mean of its divisors is an integer number (3032923600).

Almost surely, 2^158189372523 is an apocalyptic number.

158189372523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

158189372523 is a deficient number, since it is larger than the sum of its proper divisors (132971293077).

158189372523 is a wasteful number, since it uses less digits than its factorization.

158189372523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666 (or 5551 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 158189372523 in words is "one hundred fifty-eight billion, one hundred eighty-nine million, three hundred seventy-two thousand, five hundred twenty-three".