6668118785514 has 32 divisors (see below), whose sum is σ = 13352557809024. Its totient is φ = 2219986672640.

The previous prime is 6668118785513. The next prime is 6668118785521. The reversal of 6668118785514 is 4155878118666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6668118785513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67310002 + ... + 67408994.

It is an arithmetic number, because the mean of its divisors is an integer number (417267431532).

Almost surely, 2^{6668118785514} is an apocalyptic number.

6668118785514 is an abundant number, since it is smaller than the sum of its proper divisors (6684439023510).

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

6668118785514 is a wasteful number, since it uses less digits than its factorization.

6668118785514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112622.

The product of its digits is 77414400, while the sum is 66.

The spelling of 6668118785514 in words is "six trillion, six hundred sixty-eight billion, one hundred eighteen million, seven hundred eighty-five thousand, five hundred fourteen".