11663634244 has 144 divisors (see below), whose sum is σ = 23351549760. Its totient is φ = 5088706560.

The previous prime is 11663634161. The next prime is 11663634299. The reversal of 11663634244 is 44243636611.

It is a junction number, because it is equal to n+sod(n) for n = 11663634197 and 11663634206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120243604 + ... + 120243700.

It is an arithmetic number, because the mean of its divisors is an integer number (162163540).

Almost surely, 2^11663634244 is an apocalyptic number.

It is an amenable number.

11663634244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

11663634244 is a wasteful number, since it uses less digits than its factorization.

11663634244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 259 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The spelling of 11663634244 in words is "eleven billion, six hundred sixty-three million, six hundred thirty-four thousand, two hundred forty-four".