13663053256 has 32 divisors (see below), whose sum is σ = 26175240000. Its totient is φ = 6684359616.

The previous prime is 13663053253. The next prime is 13663053329. The reversal of 13663053256 is 65235036631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13663053251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5676 + ... + 165403.

It is an arithmetic number, because the mean of its divisors is an integer number (817976250).

Almost surely, 2^13663053256 is an apocalyptic number.

It is an amenable number.

13663053256 is a deficient number, since it is larger than the sum of its proper divisors (12512186744).

13663053256 is a wasteful number, since it uses less digits than its factorization.

13663053256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171301 (or 171297 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 40.

Adding to 13663053256 its reverse (65235036631), we get a palindrome (78898089887).

The spelling of 13663053256 in words is "thirteen billion, six hundred sixty-three million, fifty-three thousand, two hundred fifty-six".