16818668883 has 12 divisors (see below), whose sum is σ = 24544083928. Its totient is φ = 11096853120.

The previous prime is 16818668857. The next prime is 16818668927. The reversal of 16818668883 is 38886681861.

It is not a de Polignac number, because 16818668883 - 2⁹ = 16818668371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16818668883.

It is not an unprimeable number, because it can be changed into a prime (16818668983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9631813 + ... + 9633558.

Almost surely, 2^16818668883 is an apocalyptic number.

16818668883 is a deficient number, since it is larger than the sum of its proper divisors (7725415045).

16818668883 is a wasteful number, since it uses less digits than its factorization.

16818668883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19265474 (or 19265471 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 63.

The spelling of 16818668883 in words is "sixteen billion, eight hundred eighteen million, six hundred sixty-eight thousand, eight hundred eighty-three".