13256616326 has 16 divisors (see below), whose sum is σ = 20222848800. Its totient is φ = 6516202560.

The previous prime is 13256616323. The next prime is 13256616389. The reversal of 13256616326 is 62361665231.

13256616326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13256616323) 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 7 ways as a sum of consecutive naturals, for example, 84191 + ... + 183306.

It is an arithmetic number, because the mean of its divisors is an integer number (1263928050).

Almost surely, 2^13256616326 is an apocalyptic number.

13256616326 is a deficient number, since it is larger than the sum of its proper divisors (6966232474).

13256616326 is a wasteful number, since it uses less digits than its factorization.

13256616326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267919.

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

The spelling of 13256616326 in words is "thirteen billion, two hundred fifty-six million, six hundred sixteen thousand, three hundred twenty-six".