11668879944 has 96 divisors (see below), whose sum is σ = 33340507200. Its totient is φ = 3676717440.

The previous prime is 11668879931. The next prime is 11668879969. The reversal of 11668879944 is 44997886611.

11668879944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 23 ways as a sum of consecutive naturals, for example, 621397 + ... + 639899.

It is an arithmetic number, because the mean of its divisors is an integer number (347296950).

Almost surely, 2^11668879944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11668879944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16670253600).

11668879944 is an abundant number, since it is smaller than the sum of its proper divisors (21671627256).

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

11668879944 is a wasteful number, since it uses less digits than its factorization.

11668879944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18995 (or 18988 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 11668879944 in words is "eleven billion, six hundred sixty-eight million, eight hundred seventy-nine thousand, nine hundred forty-four".