444052166 has 4 divisors (see below), whose sum is σ = 666078252. Its totient is φ = 222026082.

The previous prime is 444052163. The next prime is 444052183. The reversal of 444052166 is 661250444.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×444052166² = 394364652258583112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444052163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111013040 + ... + 111013043.

It is an arithmetic number, because the mean of its divisors is an integer number (166519563).

Almost surely, 2^444052166 is an apocalyptic number.

444052166 is a deficient number, since it is larger than the sum of its proper divisors (222026086).

444052166 is a wasteful number, since it uses less digits than its factorization.

444052166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222026085.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 444052166 is about 21072.5453137489. The cubic root of 444052166 is about 762.9182389185.

The spelling of 444052166 in words is "four hundred forty-four million, fifty-two thousand, one hundred sixty-six".