158315633613 has 48 divisors (see below), whose sum is σ = 237008977920. Its totient is φ = 101727252000.

The previous prime is 158315633599. The next prime is 158315633617. The reversal of 158315633613 is 316336513851.

158315633613 is a `hidden beast` number, since 1 + 5 + 8 + 3 + 1 + 5 + 633 + 6 + 1 + 3 = 666.

It is not a de Polignac number, because 158315633613 - 2⁶ = 158315633549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158315633617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137545588 + ... + 137546738.

It is an arithmetic number, because the mean of its divisors is an integer number (4937687040).

Almost surely, 2^158315633613 is an apocalyptic number.

It is an amenable number.

158315633613 is a deficient number, since it is larger than the sum of its proper divisors (78693344307).

158315633613 is a wasteful number, since it uses less digits than its factorization.

158315633613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750 (or 2747 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The spelling of 158315633613 in words is "one hundred fifty-eight billion, three hundred fifteen million, six hundred thirty-three thousand, six hundred thirteen".