11807166 has 32 divisors (see below), whose sum is σ = 27364608. Its totient is φ = 3326400.

The previous prime is 11807141. The next prime is 11807167. The reversal of 11807166 is 66170811.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11807167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141 + ... + 4991.

It is an arithmetic number, because the mean of its divisors is an integer number (855144).

Almost surely, 2^11807166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11807166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13682304).

11807166 is an abundant number, since it is smaller than the sum of its proper divisors (15557442).

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

11807166 is a wasteful number, since it uses less digits than its factorization.

11807166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11807166 is about 3436.1557007796. The cubic root of 11807166 is about 227.7098880141.

Adding to 11807166 its reverse (66170811), we get a palindrome (77977977).

The spelling of 11807166 in words is "eleven million, eight hundred seven thousand, one hundred sixty-six".