11218664 has 32 divisors (see below), whose sum is σ = 23112000. Its totient is φ = 5081472.

The previous prime is 11218663. The next prime is 11218667. The reversal of 11218664 is 46681211.

It is not an unprimeable number, because it can be changed into a prime (11218661) 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 7 ways as a sum of consecutive naturals, for example, 1892 + ... + 5100.

It is an arithmetic number, because the mean of its divisors is an integer number (722250).

Almost surely, 2^11218664 is an apocalyptic number.

It is an amenable number.

11218664 is an abundant number, since it is smaller than the sum of its proper divisors (11893336).

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

11218664 is a wasteful number, since it uses less digits than its factorization.

11218664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257 (or 3253 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 11218664 is about 3349.4274137530. The cubic root of 11218664 is about 223.8620004594.

Adding to 11218664 its reverse (46681211), we get a palindrome (57899875).

The spelling of 11218664 in words is "eleven million, two hundred eighteen thousand, six hundred sixty-four".