6668367515874 has 16 divisors (see below), whose sum is σ = 14818594479840. Its totient is φ = 2222789171940.

The previous prime is 6668367515861. The next prime is 6668367515881. The reversal of 6668367515874 is 4785157638666.

It is a happy 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, 61744143612 + ... + 61744143719.

It is an arithmetic number, because the mean of its divisors is an integer number (926162154990).

Almost surely, 2^{6668367515874} is an apocalyptic number.

6668367515874 is an abundant number, since it is smaller than the sum of its proper divisors (8150226963966).

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

6668367515874 is a wasteful number, since it uses less digits than its factorization.

6668367515874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123488287342 (or 123488287336 counting only the distinct ones).

The product of its digits is 1219276800, while the sum is 72.

The spelling of 6668367515874 in words is "six trillion, six hundred sixty-eight billion, three hundred sixty-seven million, five hundred fifteen thousand, eight hundred seventy-four".