11051166 has 24 divisors (see below), whose sum is σ = 25711560. Its totient is φ = 3157392.

The previous prime is 11051153. The next prime is 11051167. The reversal of 11051166 is 66115011.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18501 + ... + 19088.

It is an arithmetic number, because the mean of its divisors is an integer number (1071315).

Almost surely, 2^11051166 is an apocalyptic number.

11051166 is an abundant number, since it is smaller than the sum of its proper divisors (14660394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11051166 is a wasteful number, since it uses less digits than its factorization.

11051166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37608 (or 37601 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 11051166 is about 3324.3294060607. The cubic root of 11051166 is about 222.7423005321.

Adding to 11051166 its reverse (66115011), we get a palindrome (77166177).

The spelling of 11051166 in words is "eleven million, fifty-one thousand, one hundred sixty-six".