663110232605312 has 32 divisors (see below), whose sum is σ = 1321048879423380. Its totient is φ = 331552866789376.

The previous prime is 663110232605269. The next prime is 663110232605321. The reversal of 663110232605312 is 213506232011366.

It can be written as a sum of positive squares in 2 ways, for example, as 657371448233536 + 5738784371776 = 25639256^2 + 2395576^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 663110232605312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445348 + ... + 36445980.

Almost surely, 2^{663110232605312} is an apocalyptic number.

It is an amenable number.

663110232605312 is a deficient number, since it is larger than the sum of its proper divisors (657938646818068).

663110232605312 is a wasteful number, since it uses less digits than its factorization.

663110232605312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35148660 (or 35148648 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

Adding to 663110232605312 its reverse (213506232011366), we get a palindrome (876616464616678).

The spelling of 663110232605312 in words is "six hundred sixty-three trillion, one hundred ten billion, two hundred thirty-two million, six hundred five thousand, three hundred twelve".