6683613680 has 40 divisors (see below), whose sum is σ = 15551808192. Its totient is φ = 2671311104.

The previous prime is 6683613667. The next prime is 6683613683. The reversal of 6683613680 is 863163866.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6683613683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69449 + ... + 134871.

Almost surely, 2^6683613680 is an apocalyptic number.

It is an amenable number.

6683613680 is an abundant number, since it is smaller than the sum of its proper divisors (8868194512).

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

6683613680 is a wasteful number, since it uses less digits than its factorization.

6683613680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66713 (or 66707 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 6683613680 is about 81753.3710619935. The cubic root of 6683613680 is about 1883.6654833464.

The spelling of 6683613680 in words is "six billion, six hundred eighty-three million, six hundred thirteen thousand, six hundred eighty".