11365666 has 8 divisors (see below), whose sum is σ = 18359964. Its totient is φ = 5245680.

The previous prime is 11365649. The next prime is 11365693. The reversal of 11365666 is 66656311.

11365666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11363641 + 2025 = 3371^2 + 45^2 .

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, 218545 + ... + 218596.

Almost surely, 2^11365666 is an apocalyptic number.

11365666 is a deficient number, since it is larger than the sum of its proper divisors (6994298).

11365666 is a wasteful number, since it uses less digits than its factorization.

11365666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437156.

The product of its digits is 19440, while the sum is 34.

The square root of 11365666 is about 3371.3003425978. The cubic root of 11365666 is about 224.8355407264.

The spelling of 11365666 in words is "eleven million, three hundred sixty-five thousand, six hundred sixty-six".