6665930768000 has 512 divisors, whose sum is σ = 19268540928000. Its totient is φ = 2246076518400.

The previous prime is 6665930767919. The next prime is 6665930768071. The reversal of 6665930768000 is 8670395666.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 4494895259 + ... + 4494896741.

It is an arithmetic number, because the mean of its divisors is an integer number (37633869000).

Almost surely, 2^{6665930768000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6665930768000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9634270464000).

6665930768000 is an abundant number, since it is smaller than the sum of its proper divisors (12602610160000).

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

6665930768000 is a wasteful number, since it uses less digits than its factorization.

6665930768000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 6665930768000 in words is "six trillion, six hundred sixty-five billion, nine hundred thirty million, seven hundred sixty-eight thousand".