13442664223768 has 64 divisors (see below), whose sum is σ = 27243685355040. Its totient is φ = 6181491400704.

The previous prime is 13442664223739. The next prime is 13442664223819. The reversal of 13442664223768 is 86732246624431.

13442664223768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13442664223768² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231689130 + ... + 231747142.

Almost surely, 2^{13442664223768} is an apocalyptic number.

It is an amenable number.

13442664223768 is an abundant number, since it is smaller than the sum of its proper divisors (13801021131272).

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

13442664223768 is a wasteful number, since it uses less digits than its factorization.

13442664223768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66188 (or 66184 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 58.

The spelling of 13442664223768 in words is "thirteen trillion, four hundred forty-two billion, six hundred sixty-four million, two hundred twenty-three thousand, seven hundred sixty-eight".