13668925567 has 12 divisors (see below), whose sum is σ = 15270833368. Its totient is φ = 12222579600.

The previous prime is 13668925547. The next prime is 13668925601. The reversal of 13668925567 is 76552986631.

It is not a de Polignac number, because 13668925567 - 2²⁷ = 13534707839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13668925547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 918573 + ... + 933334.

Almost surely, 2^13668925567 is an apocalyptic number.

13668925567 is a deficient number, since it is larger than the sum of its proper divisors (1601907801).

13668925567 is a wasteful number, since it uses less digits than its factorization.

13668925567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851990 (or 1851979 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 58.

The spelling of 13668925567 in words is "thirteen billion, six hundred sixty-eight million, nine hundred twenty-five thousand, five hundred sixty-seven".