16682747663 has 2 divisors, whose sum is σ = 16682747664. Its totient is φ = 16682747662.

The previous prime is 16682747639. The next prime is 16682747671. The reversal of 16682747663 is 36674728661.

It is a strong prime.

It is an emirp because it is prime and its reverse (36674728661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16682747663 - 2¹⁴ = 16682731279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16682747599 and 16682747608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16682747693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8341373831 + 8341373832.

It is an arithmetic number, because the mean of its divisors is an integer number (8341373832).

Almost surely, 2^16682747663 is an apocalyptic number.

16682747663 is a deficient number, since it is larger than the sum of its proper divisors (1).

16682747663 is an equidigital number, since it uses as much as digits as its factorization.

16682747663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 56.

The spelling of 16682747663 in words is "sixteen billion, six hundred eighty-two million, seven hundred forty-seven thousand, six hundred sixty-three".