23516265616 has 20 divisors (see below), whose sum is σ = 46032486892. Its totient is φ = 11636914176.

The previous prime is 23516265601. The next prime is 23516265623. The reversal of 23516265616 is 61656261532.

It can be written as a sum of positive squares in 2 ways, for example, as 17957072016 + 5559193600 = 134004^2 + 74560^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7574565 + ... + 7577668.

Almost surely, 2^23516265616 is an apocalyptic number.

It is an amenable number.

23516265616 is a deficient number, since it is larger than the sum of its proper divisors (22516221276).

23516265616 is a wasteful number, since it uses less digits than its factorization.

23516265616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15152338 (or 15152332 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

The spelling of 23516265616 in words is "twenty-three billion, five hundred sixteen million, two hundred sixty-five thousand, six hundred sixteen".