6668888888998 has 16 divisors (see below), whose sum is σ = 11929440994560. Its totient is φ = 2733830227656.

The previous prime is 6668888888989. The next prime is 6668888889017. The reversal of 6668888888998 is 8998888888666.

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, 10355417208 + ... + 10355417851.

It is an arithmetic number, because the mean of its divisors is an integer number (745590062160).

Almost surely, 2^{6668888888998} is an apocalyptic number.

6668888888998 is a deficient number, since it is larger than the sum of its proper divisors (5260552105562).

6668888888998 is a wasteful number, since it uses less digits than its factorization.

6668888888998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20710835091.

The product of its digits is 293534171136, while the sum is 100.

The spelling of 6668888888998 in words is "six trillion, six hundred sixty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, nine hundred ninety-eight".