16564572727416 has 128 divisors (see below), whose sum is σ = 52900831872000. Its totient is φ = 4704395262336.

The previous prime is 16564572727393. The next prime is 16564572727447. The reversal of 16564572727416 is 61472727546561.

16564572727416 is a `hidden beast` number, since 1 + 6 + 56 + 4 + 572 + 7 + 2 + 7 + 4 + 1 + 6 = 666.

16564572727416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 32548111 + ... + 33053118.

It is an arithmetic number, because the mean of its divisors is an integer number (413287749000).

Almost surely, 2^{16564572727416} is an apocalyptic number.

It is an amenable number.

16564572727416 is an abundant number, since it is smaller than the sum of its proper divisors (36336259144584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16564572727416 is a wasteful number, since it uses less digits than its factorization.

16564572727416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65601418 (or 65601408 counting only the distinct ones).

The product of its digits is 118540800, while the sum is 63.

The spelling of 16564572727416 in words is "sixteen trillion, five hundred sixty-four billion, five hundred seventy-two million, seven hundred twenty-seven thousand, four hundred sixteen".