13668881560374 has 64 divisors (see below), whose sum is σ = 28144424835072. Its totient is φ = 4423537008000.

The previous prime is 13668881560343. The next prime is 13668881560423. The reversal of 13668881560374 is 47306518886631.

13668881560374 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 2×13668881560374² (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 31 ways as a sum of consecutive naturals, for example, 19926399 + ... + 20600949.

It is an arithmetic number, because the mean of its divisors is an integer number (439756638048).

Almost surely, 2^{13668881560374} is an apocalyptic number.

13668881560374 is an abundant number, since it is smaller than the sum of its proper divisors (14475543274698).

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

13668881560374 is a wasteful number, since it uses less digits than its factorization.

13668881560374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675181.

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 13668881560374 in words is "thirteen trillion, six hundred sixty-eight billion, eight hundred eighty-one million, five hundred sixty thousand, three hundred seventy-four".