11180166 has 8 divisors (see below), whose sum is σ = 22360344. Its totient is φ = 3726720.

The previous prime is 11180131. The next prime is 11180173. The reversal of 11180166 is 66108111.

It is a sphenic number, since it is the product of 3 distinct primes.

11180166 is an admirable number.

It is a super-2 number, since 2×11180166² = 249992223575112, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931675 + ... + 931686.

It is an arithmetic number, because the mean of its divisors is an integer number (2795043).

Almost surely, 2^11180166 is an apocalyptic number.

11180166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11180166 is a wasteful number, since it uses less digits than its factorization.

11180166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863366.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11180166 is about 3343.6755225350. The cubic root of 11180166 is about 223.6056384940.

Adding to 11180166 its reverse (66108111), we get a palindrome (77288277).

The spelling of 11180166 in words is "eleven million, one hundred eighty thousand, one hundred sixty-six".