11668 has 6 divisors (see below), whose sum is σ = 20426. Its totient is φ = 5832.

The previous prime is 11657. The next prime is 11677. The reversal of 11668 is 86611.

11668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11664 + 4 = 108^2 + 2^2 .

It is a super-2 number, since 2×11668² = 272284448, which contains 22 as substring.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1455 + ... + 1462.

It is an amenable number.

11668 is a deficient number, since it is larger than the sum of its proper divisors (8758).

11668 is a wasteful number, since it uses less digits than its factorization.

11668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921 (or 2919 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

The square root of 11668 is about 108.0185169311. The cubic root of 11668 is about 22.6811710320.

The spelling of 11668 in words is "eleven thousand, six hundred sixty-eight".