11421166 has 8 divisors (see below), whose sum is σ = 18033480. Its totient is φ = 5410008.

The previous prime is 11421149. The next prime is 11421167. The reversal of 11421166 is 66112411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150241 + ... + 150316.

It is an arithmetic number, because the mean of its divisors is an integer number (2254185).

Almost surely, 2^11421166 is an apocalyptic number.

11421166 is a deficient number, since it is larger than the sum of its proper divisors (6612314).

11421166 is a wasteful number, since it uses less digits than its factorization.

11421166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300578.

The product of its digits is 288, while the sum is 22.

The square root of 11421166 is about 3379.5215637720. The cubic root of 11421166 is about 225.2009135451.

Adding to 11421166 its reverse (66112411), we get a palindrome (77533577).

The spelling of 11421166 in words is "eleven million, four hundred twenty-one thousand, one hundred sixty-six".