13694525568 has 96 divisors (see below), whose sum is σ = 39995819760. Its totient is φ = 4496684544.

The previous prime is 13694525543. The next prime is 13694525597. The reversal of 13694525568 is 86552549631.

13694525568 is a `hidden beast` number, since 1 + 3 + 69 + 4 + 525 + 56 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11530 + ... + 165897.

Almost surely, 2^13694525568 is an apocalyptic number.

13694525568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13694525568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19997909880).

13694525568 is an abundant number, since it is smaller than the sum of its proper divisors (26301294192).

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

13694525568 is a wasteful number, since it uses less digits than its factorization.

13694525568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177514 (or 177499 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 13694525568 in words is "thirteen billion, six hundred ninety-four million, five hundred twenty-five thousand, five hundred sixty-eight".