6668808898256 has 40 divisors (see below), whose sum is σ = 13885057370880. Its totient is φ = 3091423256064.

The previous prime is 6668808898253. The next prime is 6668808898319. The reversal of 6668808898256 is 6528988088666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668808898253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182949536 + ... + 182985983.

It is an arithmetic number, because the mean of its divisors is an integer number (347126434272).

Almost surely, 2^{6668808898256} is an apocalyptic number.

It is an amenable number.

6668808898256 is an abundant number, since it is smaller than the sum of its proper divisors (7216248472624).

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

6668808898256 is a wasteful number, since it uses less digits than its factorization.

6668808898256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365935611 (or 365935605 counting only the distinct ones).

The product of its (nonzero) digits is 3822059520, while the sum is 80.

The spelling of 6668808898256 in words is "six trillion, six hundred sixty-eight billion, eight hundred eight million, eight hundred ninety-eight thousand, two hundred fifty-six".