16676715563 has 2 divisors, whose sum is σ = 16676715564. Its totient is φ = 16676715562.

The previous prime is 16676715551. The next prime is 16676715581. The reversal of 16676715563 is 36551767661.

It is a weak prime.

It is an emirp because it is prime and its reverse (36551767661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16676715563 - 2³⁰ = 15602973739 is a prime.

It is a super-2 number, since 2×16676715563² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16676715533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8338357781 + 8338357782.

It is an arithmetic number, because the mean of its divisors is an integer number (8338357782).

Almost surely, 2^16676715563 is an apocalyptic number.

16676715563 is a deficient number, since it is larger than the sum of its proper divisors (1).

16676715563 is an equidigital number, since it uses as much as digits as its factorization.

16676715563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 53.

The spelling of 16676715563 in words is "sixteen billion, six hundred seventy-six million, seven hundred fifteen thousand, five hundred sixty-three".