166395332 has 6 divisors (see below), whose sum is σ = 291191838. Its totient is φ = 83197664.

The previous prime is 166395323. The next prime is 166395349. The reversal of 166395332 is 233593661.

166395332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 133033156 + 33362176 = 11534^2 + 5776^2 .

It is a super-2 number, since 2×166395332² = 55374813022780448, which contains 22 as substring.

It is an unprimeable number.

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, 20799413 + ... + 20799420.

It is an arithmetic number, because the mean of its divisors is an integer number (48531973).

Almost surely, 2^166395332 is an apocalyptic number.

It is an amenable number.

166395332 is a deficient number, since it is larger than the sum of its proper divisors (124796506).

166395332 is a wasteful number, since it uses less digits than its factorization.

166395332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41598837 (or 41598835 counting only the distinct ones).

The product of its digits is 87480, while the sum is 38.

The square root of 166395332 is about 12899.4314603396. The cubic root of 166395332 is about 550.0224034951.

The spelling of 166395332 in words is "one hundred sixty-six million, three hundred ninety-five thousand, three hundred thirty-two".