23158016613 has 64 divisors (see below), whose sum is σ = 36191232000. Its totient is φ = 14614471872.

The previous prime is 23158016603. The next prime is 23158016627. The reversal of 23158016613 is 31661085132.

23158016613 is a `hidden beast` number, since 2 + 3 + 1 + 580 + 1 + 66 + 13 = 666.

It is not a de Polignac number, because 23158016613 - 2²² = 23153822309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23158016603) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12537256 + ... + 12539102.

It is an arithmetic number, because the mean of its divisors is an integer number (565488000).

Almost surely, 2^23158016613 is an apocalyptic number.

It is an amenable number.

23158016613 is a deficient number, since it is larger than the sum of its proper divisors (13033215387).

23158016613 is a wasteful number, since it uses less digits than its factorization.

23158016613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 23158016613 in words is "twenty-three billion, one hundred fifty-eight million, sixteen thousand, six hundred thirteen".