6683500660 has 24 divisors (see below), whose sum is σ = 14519330280. Its totient is φ = 2581213824.

The previous prime is 6683500643. The next prime is 6683500679. The reversal of 6683500660 is 660053866.

It can be written as a sum of positive squares in 4 ways, for example, as 1724242576 + 4959258084 = 41524^2 + 70422^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5761059 + ... + 5762218.

It is an arithmetic number, because the mean of its divisors is an integer number (604972095).

Almost surely, 2^6683500660 is an apocalyptic number.

It is an amenable number.

6683500660 is an abundant number, since it is smaller than the sum of its proper divisors (7835829620).

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

6683500660 is a wasteful number, since it uses less digits than its factorization.

6683500660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11523315 (or 11523313 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 6683500660 is about 81752.6798337522. The cubic root of 6683500660 is about 1883.6548656834.

The spelling of 6683500660 in words is "six billion, six hundred eighty-three million, five hundred thousand, six hundred sixty".