16564572755053 has 16 divisors (see below), whose sum is σ = 17449570440000. Its totient is φ = 15680894785920.

The previous prime is 16564572755041. The next prime is 16564572755063. The reversal of 16564572755053 is 35055727546561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16564572755053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16564572754982 and 16564572755000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16564572755063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475415913 + ... + 475450753.

It is an arithmetic number, because the mean of its divisors is an integer number (1090598152500).

Almost surely, 2^{16564572755053} is an apocalyptic number.

It is an amenable number.

16564572755053 is a deficient number, since it is larger than the sum of its proper divisors (884997684947).

16564572755053 is a wasteful number, since it uses less digits than its factorization.

16564572755053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53052.

The product of its (nonzero) digits is 132300000, while the sum is 61.

The spelling of 16564572755053 in words is "sixteen trillion, five hundred sixty-four billion, five hundred seventy-two million, seven hundred fifty-five thousand, fifty-three".