16315642663 has 2 divisors, whose sum is σ = 16315642664. Its totient is φ = 16315642662.

The previous prime is 16315642633. The next prime is 16315642669. The reversal of 16315642663 is 36624651361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16315642663 - 2⁹ = 16315642151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16315642669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8157821331 + 8157821332.

It is an arithmetic number, because the mean of its divisors is an integer number (8157821332).

Almost surely, 2^16315642663 is an apocalyptic number.

16315642663 is a deficient number, since it is larger than the sum of its proper divisors (1).

16315642663 is an equidigital number, since it uses as much as digits as its factorization.

16315642663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 43.

The spelling of 16315642663 in words is "sixteen billion, three hundred fifteen million, six hundred forty-two thousand, six hundred sixty-three".