11662166 has 8 divisors (see below), whose sum is σ = 17508000. Its totient is φ = 5826168.

The previous prime is 11662151. The next prime is 11662171. The reversal of 11662166 is 66126611.

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

It is a super-2 number, since 2×11662166² = 272012231623112, which contains 22 as substring.

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, 2540 + ... + 5456.

It is an arithmetic number, because the mean of its divisors is an integer number (2188500).

Almost surely, 2^11662166 is an apocalyptic number.

11662166 is a deficient number, since it is larger than the sum of its proper divisors (5845834).

11662166 is a wasteful number, since it uses less digits than its factorization.

11662166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918.

The product of its digits is 2592, while the sum is 29.

The square root of 11662166 is about 3414.9913616289. The cubic root of 11662166 is about 226.7739020658.

Adding to 11662166 its reverse (66126611), we get a palindrome (77788777).

The spelling of 11662166 in words is "eleven million, six hundred sixty-two thousand, one hundred sixty-six".