16619487908 has 6 divisors (see below), whose sum is σ = 29084103846. Its totient is φ = 8309743952.

The previous prime is 16619487887. The next prime is 16619487949. The reversal of 16619487908 is 80978491661.

16619487908 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., 14201012224 + 2418475684 = 119168^2 + 49178^2 .

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, 2077435985 + ... + 2077435992.

It is an arithmetic number, because the mean of its divisors is an integer number (4847350641).

Almost surely, 2^16619487908 is an apocalyptic number.

It is an amenable number.

16619487908 is a deficient number, since it is larger than the sum of its proper divisors (12464615938).

16619487908 is a wasteful number, since it uses less digits than its factorization.

16619487908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154871981 (or 4154871979 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 16619487908 in words is "sixteen billion, six hundred nineteen million, four hundred eighty-seven thousand, nine hundred eight".