11712166 has 8 divisors (see below), whose sum is σ = 17607744. Its totient is φ = 5842920.

The previous prime is 11712163. The next prime is 11712191. The reversal of 11712166 is 66121711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11712166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11712161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5430 + ... + 7273.

It is an arithmetic number, because the mean of its divisors is an integer number (2200968).

Almost surely, 2^11712166 is an apocalyptic number.

11712166 is a deficient number, since it is larger than the sum of its proper divisors (5895578).

11712166 is a wasteful number, since it uses less digits than its factorization.

11712166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13166.

The product of its digits is 504, while the sum is 25.

The square root of 11712166 is about 3422.3041945450. The cubic root of 11712166 is about 227.0975277457.

Adding to 11712166 its reverse (66121711), we get a palindrome (77833877).

The spelling of 11712166 in words is "eleven million, seven hundred twelve thousand, one hundred sixty-six".