11005166 has 4 divisors (see below), whose sum is σ = 16507752. Its totient is φ = 5502582.

The previous prime is 11005157. The next prime is 11005177. The reversal of 11005166 is 66150011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66150011 = 311 ⋅212701.

It is a super-2 number, since 2×11005166² = 242227357375112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751290 + ... + 2751293.

It is an arithmetic number, because the mean of its divisors is an integer number (4126938).

Almost surely, 2^11005166 is an apocalyptic number.

11005166 is a deficient number, since it is larger than the sum of its proper divisors (5502586).

11005166 is an equidigital number, since it uses as much as digits as its factorization.

11005166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502585.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 11005166 is about 3317.4035027413. The cubic root of 11005166 is about 222.4328190056.

Adding to 11005166 its reverse (66150011), we get a palindrome (77155177).

The spelling of 11005166 in words is "eleven million, five thousand, one hundred sixty-six".