166442324 has 12 divisors (see below), whose sum is σ = 292101684. Its totient is φ = 82984704.

The previous prime is 166442323. The next prime is 166442377. The reversal of 166442324 is 423244661.

It can be written as a sum of positive squares in 2 ways, for example, as 24403600 + 142038724 = 4940^2 + 11918^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166442321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57527 + ... + 60350.

It is an arithmetic number, because the mean of its divisors is an integer number (24341807).

Almost surely, 2^166442324 is an apocalyptic number.

It is an amenable number.

166442324 is a deficient number, since it is larger than the sum of its proper divisors (125659360).

166442324 is a wasteful number, since it uses less digits than its factorization.

166442324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118234 (or 118232 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 166442324 is about 12901.2528073827. The cubic root of 166442324 is about 550.0741762216.

Adding to 166442324 its reverse (423244661), we get a palindrome (589686985).

The spelling of 166442324 in words is "one hundred sixty-six million, four hundred forty-two thousand, three hundred twenty-four".