11066663 has 4 divisors (see below), whose sum is σ = 11365800. Its totient is φ = 10767528.

The previous prime is 11066651. The next prime is 11066669. The reversal of 11066663 is 36666011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36666011 = 107 ⋅342673.

It is a cyclic number.

It is not a de Polignac number, because 11066663 - 2⁴ = 11066647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11066669) 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 3 ways as a sum of consecutive naturals, for example, 149513 + ... + 149586.

It is an arithmetic number, because the mean of its divisors is an integer number (2841450).

Almost surely, 2^11066663 is an apocalyptic number.

11066663 is a deficient number, since it is larger than the sum of its proper divisors (299137).

11066663 is an equidigital number, since it uses as much as digits as its factorization.

11066663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299136.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 11066663 is about 3326.6594355299. The cubic root of 11066663 is about 222.8463687420.

The spelling of 11066663 in words is "eleven million, sixty-six thousand, six hundred sixty-three".