6668740880682 has 32 divisors (see below), whose sum is σ = 13795434656640. Its totient is φ = 2147640910080.

The previous prime is 6668740880671. The next prime is 6668740880707. The reversal of 6668740880682 is 2860880478666.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131570307 + ... + 131620982.

It is an arithmetic number, because the mean of its divisors is an integer number (431107333020).

Almost surely, 2^{6668740880682} is an apocalyptic number.

6668740880682 is an abundant number, since it is smaller than the sum of its proper divisors (7126693775958).

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

6668740880682 is a wasteful number, since it uses less digits than its factorization.

6668740880682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263191438.

The product of its (nonzero) digits is 297271296, while the sum is 69.

The spelling of 6668740880682 in words is "six trillion, six hundred sixty-eight billion, seven hundred forty million, eight hundred eighty thousand, six hundred eighty-two".