6666375140722 has 16 divisors (see below), whose sum is σ = 10909238451552. Its totient is φ = 3029997022720.

The previous prime is 6666375140701. The next prime is 6666375140773. The reversal of 6666375140722 is 2270415736666.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 8281423 + ... + 9050674.

It is an arithmetic number, because the mean of its divisors is an integer number (681827403222).

Almost surely, 2^{6666375140722} is an apocalyptic number.

6666375140722 is a deficient number, since it is larger than the sum of its proper divisors (4242863310830).

6666375140722 is a wasteful number, since it uses less digits than its factorization.

6666375140722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17349593.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 6666375140722 in words is "six trillion, six hundred sixty-six billion, three hundred seventy-five million, one hundred forty thousand, seven hundred twenty-two".