2006442166 has 32 divisors (see below), whose sum is σ = 3127662720. Its totient is φ = 964894656.

The previous prime is 2006442149. The next prime is 2006442167. The reversal of 2006442166 is 6612446002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006442167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988845 + ... + 990871.

It is an arithmetic number, because the mean of its divisors is an integer number (97739460).

Almost surely, 2^2006442166 is an apocalyptic number.

2006442166 is a deficient number, since it is larger than the sum of its proper divisors (1121220554).

2006442166 is a wasteful number, since it uses less digits than its factorization.

2006442166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2006442166 is about 44793.3272485981. The cubic root of 2006442166 is about 1261.2723701186.

Adding to 2006442166 its reverse (6612446002), we get a palindrome (8618888168).

The spelling of 2006442166 in words is "two billion, six million, four hundred forty-two thousand, one hundred sixty-six".