4445166 has 32 divisors (see below), whose sum is σ = 9911808. Its totient is φ = 1317440.

The previous prime is 4445159. The next prime is 4445167. The reversal of 4445166 is 6615444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2386 + ... + 3818.

It is an arithmetic number, because the mean of its divisors is an integer number (309744).

Almost surely, 2^4445166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4445166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4955904).

4445166 is an abundant number, since it is smaller than the sum of its proper divisors (5466642).

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

4445166 is a wasteful number, since it uses less digits than its factorization.

4445166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496.

The product of its digits is 11520, while the sum is 30.

The square root of 4445166 is about 2108.3562317597. The cubic root of 4445166 is about 164.4230353524.

The spelling of 4445166 in words is "four million, four hundred forty-five thousand, one hundred sixty-six".