11664866 has 8 divisors (see below), whose sum is σ = 18061824. Its totient is φ = 5644260.

The previous prime is 11664857. The next prime is 11664881. The reversal of 11664866 is 66846611.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94010 + ... + 94133.

It is an arithmetic number, because the mean of its divisors is an integer number (2257728).

Almost surely, 2^11664866 is an apocalyptic number.

11664866 is a deficient number, since it is larger than the sum of its proper divisors (6396958).

11664866 is a wasteful number, since it uses less digits than its factorization.

11664866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188176.

The product of its digits is 41472, while the sum is 38.

The square root of 11664866 is about 3415.3866545385. The cubic root of 11664866 is about 226.7914014534.

The spelling of 11664866 in words is "eleven million, six hundred sixty-four thousand, eight hundred sixty-six".