166223034 has 12 divisors (see below), whose sum is σ = 360149946. Its totient is φ = 55407672.

The previous prime is 166223033. The next prime is 166223051. The reversal of 166223034 is 430322661.

166223034 is a `hidden beast` number, since 1 + 6 + 622 + 3 + 0 + 34 = 666.

It can be written as a sum of positive squares in only one way, i.e., 166023225 + 199809 = 12885^2 + 447^2 .

It is a junction number, because it is equal to n+sod(n) for n = 166222989 and 166223007.

It is not an unprimeable number, because it can be changed into a prime (166223033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4617289 + ... + 4617324.

Almost surely, 2^166223034 is an apocalyptic number.

166223034 is an abundant number, since it is smaller than the sum of its proper divisors (193926912).

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

166223034 is a wasteful number, since it uses less digits than its factorization.

166223034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234621 (or 9234618 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 166223034 is about 12892.7512191929. The cubic root of 166223034 is about 549.8324933424.

Adding to 166223034 its reverse (430322661), we get a palindrome (596545695).

The spelling of 166223034 in words is "one hundred sixty-six million, two hundred twenty-three thousand, thirty-four".