666375172713303 has 8 divisors (see below), whose sum is σ = 888504696825600. Its totient is φ = 444247881871608.

The previous prime is 666375172713247. The next prime is 666375172713401. The reversal of 666375172713303 is 303317271573666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 666375172713303 - 2²⁵ = 666375139158871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666375172713203) 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, 557621293 + ... + 558815046.

It is an arithmetic number, because the mean of its divisors is an integer number (111063087103200).

Almost surely, 2^{666375172713303} is an apocalyptic number.

666375172713303 is a deficient number, since it is larger than the sum of its proper divisors (222129524112297).

666375172713303 is a wasteful number, since it uses less digits than its factorization.

666375172713303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116635301.

The product of its (nonzero) digits is 60011280, while the sum is 60.

The spelling of 666375172713303 in words is "six hundred sixty-six trillion, three hundred seventy-five billion, one hundred seventy-two million, seven hundred thirteen thousand, three hundred three".