16560664732 has 12 divisors (see below), whose sum is σ = 29688021216. Its totient is φ = 8078372960.

The previous prime is 16560664711. The next prime is 16560664739. The reversal of 16560664732 is 23746606561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16560664739) by changing a digit.

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, 50489668 + ... + 50489995.

It is an arithmetic number, because the mean of its divisors is an integer number (2474001768).

Almost surely, 2^16560664732 is an apocalyptic number.

It is an amenable number.

16560664732 is a deficient number, since it is larger than the sum of its proper divisors (13127356484).

16560664732 is a wasteful number, since it uses less digits than its factorization.

16560664732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100979708 (or 100979706 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 16560664732 in words is "sixteen billion, five hundred sixty million, six hundred sixty-four thousand, seven hundred thirty-two".