16304266979 has 128 divisors (see below), whose sum is σ = 23630745600. Its totient is φ = 10839121920.

The previous prime is 16304266961. The next prime is 16304266991. The reversal of 16304266979 is 97966240361.

Together with 7326478620 it forms a betrothed pair.

It is not a de Polignac number, because 16304266979 - 2²⁴ = 16287489763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16304266979.

It is not an unprimeable number, because it can be changed into a prime (16304266949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 149580377 + ... + 149580485.

It is an arithmetic number, because the mean of its divisors is an integer number (184615200).

Almost surely, 2^16304266979 is an apocalyptic number.

16304266979 is a deficient number, since it is larger than the sum of its proper divisors (7326478621).

16304266979 is a wasteful number, since it uses less digits than its factorization.

16304266979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 16304266979 in words is "sixteen billion, three hundred four million, two hundred sixty-six thousand, nine hundred seventy-nine".