16668349883 has 2 divisors, whose sum is σ = 16668349884. Its totient is φ = 16668349882.

The previous prime is 16668349853. The next prime is 16668349889. The reversal of 16668349883 is 38894386661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16668349883 - 2⁸ = 16668349627 is a prime.

It is a super-2 number, since 2×16668349883² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16668349889) 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, 8334174941 + 8334174942.

It is an arithmetic number, because the mean of its divisors is an integer number (8334174942).

Almost surely, 2^16668349883 is an apocalyptic number.

16668349883 is a deficient number, since it is larger than the sum of its proper divisors (1).

16668349883 is an equidigital number, since it uses as much as digits as its factorization.

16668349883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35831808, while the sum is 62.

The spelling of 16668349883 in words is "sixteen billion, six hundred sixty-eight million, three hundred forty-nine thousand, eight hundred eighty-three".