16683925840 has 80 divisors (see below), whose sum is σ = 42607094400. Its totient is φ = 6047433216.

The previous prime is 16683925789. The next prime is 16683925879. The reversal of 16683925840 is 4852938661.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203655 + ... + 273574.

It is an arithmetic number, because the mean of its divisors is an integer number (532588680).

Almost surely, 2^16683925840 is an apocalyptic number.

16683925840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16683925840 is an abundant number, since it is smaller than the sum of its proper divisors (25923168560).

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

16683925840 is a wasteful number, since it uses less digits than its factorization.

16683925840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477284 (or 477278 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 16683925840 in words is "sixteen billion, six hundred eighty-three million, nine hundred twenty-five thousand, eight hundred forty".