663374266175 has 6 divisors (see below), whose sum is σ = 822584090088. Its totient is φ = 530699412920.

The previous prime is 663374266117. The next prime is 663374266193. The reversal of 663374266175 is 571662473366.

It is not a de Polignac number, because 663374266175 - 2¹² = 663374262079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 663374266175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13267485299 + ... + 13267485348.

It is an arithmetic number, because the mean of its divisors is an integer number (137097348348).

Almost surely, 2^663374266175 is an apocalyptic number.

663374266175 is a deficient number, since it is larger than the sum of its proper divisors (159209823913).

663374266175 is a wasteful number, since it uses less digits than its factorization.

663374266175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26534970657 (or 26534970652 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 56.

The spelling of 663374266175 in words is "six hundred sixty-three billion, three hundred seventy-four million, two hundred sixty-six thousand, one hundred seventy-five".