16669643304 has 64 divisors (see below), whose sum is σ = 42126465600. Its totient is φ = 5496551424.

The previous prime is 16669643303. The next prime is 16669643351. The reversal of 16669643304 is 40334696661.

It is not an unprimeable number, because it can be changed into a prime (16669643303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845592 + ... + 865080.

It is an arithmetic number, because the mean of its divisors is an integer number (658226025).

Almost surely, 2^16669643304 is an apocalyptic number.

It is an amenable number.

16669643304 is an abundant number, since it is smaller than the sum of its proper divisors (25456822296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16669643304 is a wasteful number, since it uses less digits than its factorization.

16669643304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19882 (or 19878 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 16669643304 in words is "sixteen billion, six hundred sixty-nine million, six hundred forty-three thousand, three hundred four".