11442166 has 16 divisors (see below), whose sum is σ = 17582400. Its totient is φ = 5583168.

The previous prime is 11442163. The next prime is 11442181. The reversal of 11442166 is 66124411.

11442166 = T₅₂₃ + T₅₂₄ + ... + T₅₉₅.

It is a self number, because there is not a number n which added to its sum of digits gives 11442166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15555 + ... + 16273.

It is an arithmetic number, because the mean of its divisors is an integer number (1098900).

Almost surely, 2^11442166 is an apocalyptic number.

11442166 is a deficient number, since it is larger than the sum of its proper divisors (6140234).

11442166 is a wasteful number, since it uses less digits than its factorization.

11442166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its digits is 1152, while the sum is 25.

The square root of 11442166 is about 3382.6270855653. The cubic root of 11442166 is about 225.3388540326.

Adding to 11442166 its reverse (66124411), we get a palindrome (77566577).

The spelling of 11442166 in words is "eleven million, four hundred forty-two thousand, one hundred sixty-six".