16560664711 has 2 divisors, whose sum is σ = 16560664712. Its totient is φ = 16560664710.

The previous prime is 16560664697. The next prime is 16560664739. The reversal of 16560664711 is 11746606561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16560664711 - 2²⁵ = 16527110279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16560664751) 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 as a sum of consecutive naturals, namely, 8280332355 + 8280332356.

It is an arithmetic number, because the mean of its divisors is an integer number (8280332356).

Almost surely, 2^16560664711 is an apocalyptic number.

16560664711 is a deficient number, since it is larger than the sum of its proper divisors (1).

16560664711 is an equidigital number, since it uses as much as digits as its factorization.

16560664711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 16560664711 in words is "sixteen billion, five hundred sixty million, six hundred sixty-four thousand, seven hundred eleven".