8668684868668 has 144 divisors (see below), whose sum is σ = 17591489294400. Its totient is φ = 3727498199040.

The previous prime is 8668684868651. The next prime is 8668684868681.

8668684868668 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2843122408 + ... + 2843125456.

It is an arithmetic number, because the mean of its divisors is an integer number (122163120100).

Almost surely, 2^{8668684868668} is an apocalyptic number.

It is an amenable number.

8668684868668 is an abundant number, since it is smaller than the sum of its proper divisors (8922804425732).

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

8668684868668 is a wasteful number, since it uses less digits than its factorization.

8668684868668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828 (or 5815 counting only the distinct ones).

The product of its digits is 48922361856, while the sum is 88.

The spelling of 8668684868668 in words is "eight trillion, six hundred sixty-eight billion, six hundred eighty-four million, eight hundred sixty-eight thousand, six hundred sixty-eight".