11664818 has 16 divisors (see below), whose sum is σ = 19918656. Its totient is φ = 5071440.

The previous prime is 11664811. The next prime is 11664827. The reversal of 11664818 is 81846611.

It is a happy number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (11664811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11021 + ... + 12032.

It is an arithmetic number, because the mean of its divisors is an integer number (1244916).

Almost surely, 2^11664818 is an apocalyptic number.

11664818 is a deficient number, since it is larger than the sum of its proper divisors (8253838).

11664818 is a wasteful number, since it uses less digits than its factorization.

11664818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23089.

The product of its digits is 9216, while the sum is 35.

The square root of 11664818 is about 3415.3796275085. The cubic root of 11664818 is about 226.7910903768.

The spelling of 11664818 in words is "eleven million, six hundred sixty-four thousand, eight hundred eighteen".