683690666684 has 24 divisors (see below), whose sum is σ = 1218302601600. Its totient is φ = 335654745264.

The previous prime is 683690666627. The next prime is 683690666707. The reversal of 683690666684 is 486666096386.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6262784 + ... + 6371015.

It is an arithmetic number, because the mean of its divisors is an integer number (50762608400).

Almost surely, 2^683690666684 is an apocalyptic number.

It is an amenable number.

683690666684 is a deficient number, since it is larger than the sum of its proper divisors (534611934916).

683690666684 is a wasteful number, since it uses less digits than its factorization.

683690666684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12634049 (or 12634047 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 68.

The spelling of 683690666684 in words is "six hundred eighty-three billion, six hundred ninety million, six hundred sixty-six thousand, six hundred eighty-four".