16664458924 has 12 divisors (see below), whose sum is σ = 29392432384. Its totient is φ = 8266621104.

The previous prime is 16664458883. The next prime is 16664458933. The reversal of 16664458924 is 42985446661.

It is a happy number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 16401519 + ... + 16402534.

Almost surely, 2^16664458924 is an apocalyptic number.

It is an amenable number.

16664458924 is a deficient number, since it is larger than the sum of its proper divisors (12727973460).

16664458924 is a wasteful number, since it uses less digits than its factorization.

16664458924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32804184 (or 32804182 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 55.

The spelling of 16664458924 in words is "sixteen billion, six hundred sixty-four million, four hundred fifty-eight thousand, nine hundred twenty-four".