13663504266 has 16 divisors (see below), whose sum is σ = 27331421088. Its totient is φ = 4553766000.

The previous prime is 13663504247. The next prime is 13663504289. The reversal of 13663504266 is 66240536631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142900 + ... + 218511.

It is an arithmetic number, because the mean of its divisors is an integer number (1708213818).

Almost surely, 2^13663504266 is an apocalyptic number.

13663504266 is an abundant number, since it is smaller than the sum of its proper divisors (13667916822).

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

13663504266 is a wasteful number, since it uses less digits than its factorization.

13663504266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367717.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 13663504266 in words is "thirteen billion, six hundred sixty-three million, five hundred four thousand, two hundred sixty-six".