166424234 has 8 divisors (see below), whose sum is σ = 251542368. Its totient is φ = 82576780.

The previous prime is 166424201. The next prime is 166424257. The reversal of 166424234 is 432424661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 166424234.

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 in 3 ways as a sum of consecutive naturals, for example, 317342 + ... + 317865.

It is an arithmetic number, because the mean of its divisors is an integer number (31442796).

Almost surely, 2^166424234 is an apocalyptic number.

166424234 is a deficient number, since it is larger than the sum of its proper divisors (85118134).

166424234 is a wasteful number, since it uses less digits than its factorization.

166424234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635340.

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

The square root of 166424234 is about 12900.5516936292. The cubic root of 166424234 is about 550.0542469910.

Adding to 166424234 its reverse (432424661), we get a palindrome (598848895).

The spelling of 166424234 in words is "one hundred sixty-six million, four hundred twenty-four thousand, two hundred thirty-four".