6681580912 has 40 divisors (see below), whose sum is σ = 13239724032. Its totient is φ = 3265080000.

The previous prime is 6681580903. The next prime is 6681580921. The reversal of 6681580912 is 2190851866.

It is an interprime number because it is at equal distance from previous prime (6681580903) and next prime (6681580921).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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, 558837 + ... + 570667.

Almost surely, 2^6681580912 is an apocalyptic number.

It is an amenable number.

6681580912 is a deficient number, since it is larger than the sum of its proper divisors (6558143120).

6681580912 is a wasteful number, since it uses less digits than its factorization.

6681580912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12637 (or 12631 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 6681580912 is about 81740.9377974097. The cubic root of 6681580912 is about 1883.4744966857.

The spelling of 6681580912 in words is "six billion, six hundred eighty-one million, five hundred eighty thousand, nine hundred twelve".