14664259688 has 16 divisors (see below), whose sum is σ = 29610524580. Its totient is φ = 6768119808.

The previous prime is 14664259681. The next prime is 14664259703. The reversal of 14664259688 is 88695246641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13834934884 + 829324804 = 117622^2 + 28798^2 .

It is not an unprimeable number, because it can be changed into a prime (14664259681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70501145 + ... + 70501352.

Almost surely, 2^14664259688 is an apocalyptic number.

It is an amenable number.

14664259688 is an abundant number, since it is smaller than the sum of its proper divisors (14946264892).

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

14664259688 is a wasteful number, since it uses less digits than its factorization.

14664259688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141002516 (or 141002512 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 59.

The spelling of 14664259688 in words is "fourteen billion, six hundred sixty-four million, two hundred fifty-nine thousand, six hundred eighty-eight".