16668140711 has 2 divisors, whose sum is σ = 16668140712. Its totient is φ = 16668140710.

The previous prime is 16668140701. The next prime is 16668140719. The reversal of 16668140711 is 11704186661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16668140711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16668140719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8334070355 + 8334070356.

It is an arithmetic number, because the mean of its divisors is an integer number (8334070356).

Almost surely, 2^16668140711 is an apocalyptic number.

16668140711 is a deficient number, since it is larger than the sum of its proper divisors (1).

16668140711 is an equidigital number, since it uses as much as digits as its factorization.

16668140711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 16668140711 in words is "sixteen billion, six hundred sixty-eight million, one hundred forty thousand, seven hundred eleven".