11368566 has 32 divisors (see below), whose sum is σ = 27561600. Its totient is φ = 3444840.

The previous prime is 11368561. The next prime is 11368607. The reversal of 11368566 is 66586311.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11368566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11368561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8976 + ... + 10163.

It is an arithmetic number, because the mean of its divisors is an integer number (861300).

Almost surely, 2^11368566 is an apocalyptic number.

11368566 is an abundant number, since it is smaller than the sum of its proper divisors (16193034).

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

11368566 is a wasteful number, since it uses less digits than its factorization.

11368566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19161 (or 19155 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 11368566 is about 3371.7304162700. The cubic root of 11368566 is about 224.8546616948.

The spelling of 11368566 in words is "eleven million, three hundred sixty-eight thousand, five hundred sixty-six".