7668372738668 has 12 divisors (see below), whose sum is σ = 13581334851000. Its totient is φ = 3787991352672.

The previous prime is 7668372738643. The next prime is 7668372738701. The reversal of 7668372738668 is 8668372738667.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11548753793 + ... + 11548754456.

It is an arithmetic number, because the mean of its divisors is an integer number (1131777904250).

Almost surely, 2^{7668372738668} is an apocalyptic number.

It is an amenable number.

7668372738668 is a deficient number, since it is larger than the sum of its proper divisors (5912962112332).

7668372738668 is a wasteful number, since it uses less digits than its factorization.

7668372738668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23097508336 (or 23097508334 counting only the distinct ones).

The product of its digits is 4096770048, while the sum is 77.

Subtracting 7668372738668 from its reverse (8668372738667), we obtain a palindrome (999999999999).

The spelling of 7668372738668 in words is "seven trillion, six hundred sixty-eight billion, three hundred seventy-two million, seven hundred thirty-eight thousand, six hundred sixty-eight".