11166266 has 4 divisors (see below), whose sum is σ = 16749402. Its totient is φ = 5583132.

The previous prime is 11166223. The next prime is 11166271. The reversal of 11166266 is 66266111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66266111 = 149 ⋅444739.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 2493241 = 2945^2 + 1579^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2791565 + ... + 2791568.

Almost surely, 2^11166266 is an apocalyptic number.

11166266 is a deficient number, since it is larger than the sum of its proper divisors (5583136).

11166266 is an equidigital number, since it uses as much as digits as its factorization.

11166266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583135.

The product of its digits is 2592, while the sum is 29.

The square root of 11166266 is about 3341.5963251117. The cubic root of 11166266 is about 223.5129324362.

The spelling of 11166266 in words is "eleven million, one hundred sixty-six thousand, two hundred sixty-six".