16666710808 has 64 divisors (see below), whose sum is σ = 34469413920. Its totient is φ = 7491993600.

The previous prime is 16666710779. The next prime is 16666710829. The reversal of 16666710808 is 80801766661.

16666710808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5179216 + ... + 5182432.

Almost surely, 2^16666710808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16666710808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17234706960).

16666710808 is an abundant number, since it is smaller than the sum of its proper divisors (17802703112).

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

16666710808 is a wasteful number, since it uses less digits than its factorization.

16666710808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868 (or 3864 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 16666710808 in words is "sixteen billion, six hundred sixty-six million, seven hundred ten thousand, eight hundred eight".