16684351675 has 24 divisors (see below), whose sum is σ = 21038008640. Its totient is φ = 13123468800.

The previous prime is 16684351661. The next prime is 16684351681. The reversal of 16684351675 is 57615348661.

It is not a de Polignac number, because 16684351675 - 2⁵ = 16684351643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458449 + ... + 493501.

Almost surely, 2^16684351675 is an apocalyptic number.

16684351675 is a deficient number, since it is larger than the sum of its proper divisors (4353656965).

16684351675 is a wasteful number, since it uses less digits than its factorization.

16684351675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35383 (or 35378 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The spelling of 16684351675 in words is "sixteen billion, six hundred eighty-four million, three hundred fifty-one thousand, six hundred seventy-five".