13226685966 has 96 divisors (see below), whose sum is σ = 31971564000. Its totient is φ = 4051337472.

The previous prime is 13226685949. The next prime is 13226685991. The reversal of 13226685966 is 66958662231.

13226685966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2086690 + ... + 2093018.

It is an arithmetic number, because the mean of its divisors is an integer number (333037125).

Almost surely, 2^13226685966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13226685966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15985782000).

13226685966 is an abundant number, since it is smaller than the sum of its proper divisors (18744878034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13226685966 is a wasteful number, since it uses less digits than its factorization.

13226685966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6595 (or 6576 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 13226685966 in words is "thirteen billion, two hundred twenty-six million, six hundred eighty-five thousand, nine hundred sixty-six".