16393696663 has 2 divisors, whose sum is σ = 16393696664. Its totient is φ = 16393696662.

The previous prime is 16393696531. The next prime is 16393696667. The reversal of 16393696663 is 36669639361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16393696663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16393696598 and 16393696607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16393696667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8196848331 + 8196848332.

It is an arithmetic number, because the mean of its divisors is an integer number (8196848332).

Almost surely, 2^16393696663 is an apocalyptic number.

16393696663 is a deficient number, since it is larger than the sum of its proper divisors (1).

16393696663 is an equidigital number, since it uses as much as digits as its factorization.

16393696663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17006112, while the sum is 58.

The spelling of 16393696663 in words is "sixteen billion, three hundred ninety-three million, six hundred ninety-six thousand, six hundred sixty-three".