11204441666 has 32 divisors (see below), whose sum is σ = 18649794240. Its totient is φ = 5006088000.

The previous prime is 11204441623. The next prime is 11204441671. The reversal of 11204441666 is 66614440211.

11204441666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 in 15 ways as a sum of consecutive naturals, for example, 290720 + ... + 326996.

It is an arithmetic number, because the mean of its divisors is an integer number (582806070).

Almost surely, 2^11204441666 is an apocalyptic number.

11204441666 is a deficient number, since it is larger than the sum of its proper divisors (7445352574).

11204441666 is a wasteful number, since it uses less digits than its factorization.

11204441666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36530.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 11204441666 its reverse (66614440211), we get a palindrome (77818881877).

The spelling of 11204441666 in words is "eleven billion, two hundred four million, four hundred forty-one thousand, six hundred sixty-six".