13663560056 has 8 divisors (see below), whose sum is σ = 25619175120. Its totient is φ = 6831780024.

The previous prime is 13663560023. The next prime is 13663560077. The reversal of 13663560056 is 65006536631.

13663560056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13663559995 and 13663560022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 853972496 + ... + 853972511.

It is an arithmetic number, because the mean of its divisors is an integer number (3202396890).

Almost surely, 2^13663560056 is an apocalyptic number.

It is an amenable number.

13663560056 is a deficient number, since it is larger than the sum of its proper divisors (11955615064).

13663560056 is a wasteful number, since it uses less digits than its factorization.

13663560056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707945013 (or 1707945009 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 41.

It can be divided in two parts, 136635 and 60056, that added together give a palindrome (196691).

The spelling of 13663560056 in words is "thirteen billion, six hundred sixty-three million, five hundred sixty thousand, fifty-six".