16658608808 has 8 divisors (see below), whose sum is σ = 31234891530. Its totient is φ = 8329304400.

The previous prime is 16658608789. The next prime is 16658608817. The reversal of 16658608808 is 80880685661.

16658608808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13923528004 + 2735080804 = 117998^2 + 52298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1041163043 + ... + 1041163058.

Almost surely, 2^16658608808 is an apocalyptic number.

It is an amenable number.

16658608808 is a deficient number, since it is larger than the sum of its proper divisors (14576282722).

16658608808 is a wasteful number, since it uses less digits than its factorization.

16658608808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082326107 (or 2082326103 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 56.

The spelling of 16658608808 in words is "sixteen billion, six hundred fifty-eight million, six hundred eight thousand, eight hundred eight".