11568664 has 8 divisors (see below), whose sum is σ = 21691260. Its totient is φ = 5784328.

The previous prime is 11568647. The next prime is 11568671. The reversal of 11568664 is 46686511.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723034 + ... + 723049.

Almost surely, 2^11568664 is an apocalyptic number.

It is an amenable number.

11568664 is a deficient number, since it is larger than the sum of its proper divisors (10122596).

11568664 is a wasteful number, since it uses less digits than its factorization.

11568664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446089 (or 1446085 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 11568664 is about 3401.2738790047. The cubic root of 11568664 is about 226.1662180758.

The spelling of 11568664 in words is "eleven million, five hundred sixty-eight thousand, six hundred sixty-four".