11291166 has 24 divisors (see below), whose sum is σ = 24555024. Its totient is φ = 3749760.

The previous prime is 11291143. The next prime is 11291167. The reversal of 11291166 is 66119211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11291167) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 4590 + ... + 6606.

It is an arithmetic number, because the mean of its divisors is an integer number (1023126).

Almost surely, 2^11291166 is an apocalyptic number.

11291166 is an abundant number, since it is smaller than the sum of its proper divisors (13263858).

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

11291166 is a wasteful number, since it uses less digits than its factorization.

11291166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336 (or 2333 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 11291166 is about 3360.2330276336. The cubic root of 11291166 is about 224.3432105810.

The spelling of 11291166 in words is "eleven million, two hundred ninety-one thousand, one hundred sixty-six".