16560664768 has 14 divisors (see below), whose sum is σ = 32862569276. Its totient is φ = 8280332352.

The previous prime is 16560664751. The next prime is 16560664789. The reversal of 16560664768 is 86746606561.

16560664768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129380130 + ... + 129380257.

Almost surely, 2^16560664768 is an apocalyptic number.

It is an amenable number.

16560664768 is a deficient number, since it is larger than the sum of its proper divisors (16301904508).

16560664768 is an equidigital number, since it uses as much as digits as its factorization.

16560664768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258760399 (or 258760389 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 16560664768 in words is "sixteen billion, five hundred sixty million, six hundred sixty-four thousand, seven hundred sixty-eight".