14656666663 has 2 divisors, whose sum is σ = 14656666664. Its totient is φ = 14656666662.

The previous prime is 14656666639. The next prime is 14656666681. The reversal of 14656666663 is 36666665641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14656666663 - 2²¹ = 14654569511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14656666463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7328333331 + 7328333332.

It is an arithmetic number, because the mean of its divisors is an integer number (7328333332).

Almost surely, 2^14656666663 is an apocalyptic number.

14656666663 is a deficient number, since it is larger than the sum of its proper divisors (1).

14656666663 is an equidigital number, since it uses as much as digits as its factorization.

14656666663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 55.

The spelling of 14656666663 in words is "fourteen billion, six hundred fifty-six million, six hundred sixty-six thousand, six hundred sixty-three".