11663051166 has 40 divisors (see below), whose sum is σ = 28144176984. Its totient is φ = 3588630480.

The previous prime is 11663051083. The next prime is 11663051173. The reversal of 11663051166 is 66115036611.

11663051166 is a `hidden beast` number, since 1 + 1 + 6 + 630 + 5 + 1 + 16 + 6 = 666.

11663051166 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 a self number, because there is not a number n which added to its sum of digits gives 11663051166.

It is a congruent 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 19 ways as a sum of consecutive naturals, for example, 2766900 + ... + 2771111.

Almost surely, 2^11663051166 is an apocalyptic number.

11663051166 is an abundant number, since it is smaller than the sum of its proper divisors (16481125818).

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

11663051166 is a wasteful number, since it uses less digits than its factorization.

11663051166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538038 (or 5538029 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

Adding to 11663051166 its reverse (66115036611), we get a palindrome (77778087777).

The spelling of 11663051166 in words is "eleven billion, six hundred sixty-three million, fifty-one thousand, one hundred sixty-six".