6668074066800 has 60 divisors (see below), whose sum is σ = 21360063931160. Its totient is φ = 1778153084160.

The previous prime is 6668074066799. The next prime is 6668074066807. The reversal of 6668074066800 is 86604708666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668074066807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2778362995 + ... + 2778365394.

Almost surely, 2^{6668074066800} is an apocalyptic number.

6668074066800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6668074066800 is an abundant number, since it is smaller than the sum of its proper divisors (14691989864360).

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

6668074066800 is a wasteful number, since it uses less digits than its factorization.

6668074066800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556728410 (or 5556728399 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 6668074066800 in words is "six trillion, six hundred sixty-eight billion, seventy-four million, sixty-six thousand, eight hundred".