11066665 has 8 divisors (see below), whose sum is σ = 13530888. Its totient is φ = 8686080.

The previous prime is 11066651. The next prime is 11066669. The reversal of 11066665 is 56666011.

11066665 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 4 ways, for example, as 24336 + 11042329 = 156^2 + 3323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11066665 - 2¹³ = 11058473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11066669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20616 + ... + 21145.

It is an arithmetic number, because the mean of its divisors is an integer number (1691361).

Almost surely, 2^11066665 is an apocalyptic number.

It is an amenable number.

11066665 is a deficient number, since it is larger than the sum of its proper divisors (2464223).

11066665 is an equidigital number, since it uses as much as digits as its factorization.

11066665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41819.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 11066665 is about 3326.6597361317. The cubic root of 11066665 is about 222.8463821665.

The spelling of 11066665 in words is "eleven million, sixty-six thousand, six hundred sixty-five".