16564047652375 has 32 divisors (see below), whose sum is σ = 20880853373952. Its totient is φ = 13117415220000.

The previous prime is 16564047652337. The next prime is 16564047652457. The reversal of 16564047652375 is 57325674046561.

It is a de Polignac number, because none of the positive numbers 2^k-16564047652375 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32591964 + ... + 33096286.

It is an arithmetic number, because the mean of its divisors is an integer number (652526667936).

Almost surely, 2^{16564047652375} is an apocalyptic number.

16564047652375 is a deficient number, since it is larger than the sum of its proper divisors (4316805721577).

16564047652375 is a wasteful number, since it uses less digits than its factorization.

16564047652375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506992 (or 506982 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 61.

The spelling of 16564047652375 in words is "sixteen trillion, five hundred sixty-four billion, forty-seven million, six hundred fifty-two thousand, three hundred seventy-five".