158328537903 has 12 divisors (see below), whose sum is σ = 234015307240. Its totient is φ = 103097652336.

The previous prime is 158328537893. The next prime is 158328537911. The reversal of 158328537903 is 309735823851.

158328537903 is a `hidden beast` number, since 1 + 5 + 83 + 28 + 537 + 9 + 0 + 3 = 666.

It is not a de Polignac number, because 158328537903 - 2²⁵ = 158294983471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158328537903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158328537943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204558448 + ... + 204559221.

Almost surely, 2^158328537903 is an apocalyptic number.

158328537903 is a deficient number, since it is larger than the sum of its proper divisors (75686769337).

158328537903 is a wasteful number, since it uses less digits than its factorization.

158328537903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409117718 (or 409117715 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 158328537903 in words is "one hundred fifty-eight billion, three hundred twenty-eight million, five hundred thirty-seven thousand, nine hundred three".