13275660663 has 12 divisors (see below), whose sum is σ = 19462163448. Its totient is φ = 8718343920.

The previous prime is 13275660649. The next prime is 13275660667. The reversal of 13275660663 is 36606657231.

13275660663 is a `hidden beast` number, since 1 + 3 + 27 + 566 + 0 + 6 + 63 = 666.

13275660663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13275660663 - 2⁵ = 13275660631 is a prime.

It is a super-3 number, since 3×13275660663³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13275660667) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11007408 + ... + 11008613.

It is an arithmetic number, because the mean of its divisors is an integer number (1621846954).

Almost surely, 2^13275660663 is an apocalyptic number.

13275660663 is a deficient number, since it is larger than the sum of its proper divisors (6186502785).

13275660663 is a wasteful number, since it uses less digits than its factorization.

13275660663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22016094 (or 22016091 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 13275660663 in words is "thirteen billion, two hundred seventy-five million, six hundred sixty thousand, six hundred sixty-three".