166244338 has 16 divisors (see below), whose sum is σ = 282683520. Its totient is φ = 72689616.

The previous prime is 166244333. The next prime is 166244339. The reversal of 166244338 is 833442661.

It is a junction number, because it is equal to n+sod(n) for n = 166244297 and 166244306.

It is not an unprimeable number, because it can be changed into a prime (166244333) 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 in 7 ways as a sum of consecutive naturals, for example, 167770 + ... + 168757.

It is an arithmetic number, because the mean of its divisors is an integer number (17667720).

Almost surely, 2^166244338 is an apocalyptic number.

166244338 is a deficient number, since it is larger than the sum of its proper divisors (116439182).

166244338 is a wasteful number, since it uses less digits than its factorization.

166244338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336561.

The product of its digits is 82944, while the sum is 37.

The square root of 166244338 is about 12893.5773934157. The cubic root of 166244338 is about 549.8559821268.

Adding to 166244338 its reverse (833442661), we get a palindrome (999686999).

The spelling of 166244338 in words is "one hundred sixty-six million, two hundred forty-four thousand, three hundred thirty-eight".