166044112 has 40 divisors (see below), whose sum is σ = 347243400. Its totient is φ = 76462080.

The previous prime is 166044089. The next prime is 166044119. The reversal of 166044112 is 211440661.

It can be written as a sum of positive squares in 4 ways, for example, as 767376 + 165276736 = 876^2 + 12856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166044119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157764 + ... + 158812.

It is an arithmetic number, because the mean of its divisors is an integer number (8681085).

Almost surely, 2^166044112 is an apocalyptic number.

It is an amenable number.

166044112 is an abundant number, since it is smaller than the sum of its proper divisors (181199288).

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

166044112 is a wasteful number, since it uses less digits than its factorization.

166044112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831 (or 1825 counting only the distinct ones).

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

The square root of 166044112 is about 12885.8104906133. The cubic root of 166044112 is about 549.6351431402.

Adding to 166044112 its reverse (211440661), we get a palindrome (377484773).

The spelling of 166044112 in words is "one hundred sixty-six million, forty-four thousand, one hundred twelve".