16678247683 has 2 divisors, whose sum is σ = 16678247684. Its totient is φ = 16678247682.

The previous prime is 16678247603. The next prime is 16678247693. The reversal of 16678247683 is 38674287661.

16678247683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (38674287661) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16678247683 is a prime.

It is not a weakly prime, because it can be changed into another prime (16678247603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8339123841 + 8339123842.

It is an arithmetic number, because the mean of its divisors is an integer number (8339123842).

Almost surely, 2^16678247683 is an apocalyptic number.

16678247683 is a deficient number, since it is larger than the sum of its proper divisors (1).

16678247683 is an equidigital number, since it uses as much as digits as its factorization.

16678247683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 58.

The spelling of 16678247683 in words is "sixteen billion, six hundred seventy-eight million, two hundred forty-seven thousand, six hundred eighty-three".