166324226 has 8 divisors (see below), whose sum is σ = 264162060. Its totient is φ = 78270208.

The previous prime is 166324219. The next prime is 166324241. The reversal of 166324226 is 622423661.

It can be written as a sum of positive squares in 2 ways, for example, as 140304025 + 26020201 = 11845^2 + 5101^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 166324192 and 166324201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445911 + ... + 2445978.

Almost surely, 2^166324226 is an apocalyptic number.

166324226 is a deficient number, since it is larger than the sum of its proper divisors (97837834).

166324226 is a wasteful number, since it uses less digits than its factorization.

166324226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891908.

The product of its digits is 20736, while the sum is 32.

The square root of 166324226 is about 12896.6749978434. The cubic root of 166324226 is about 549.9440449962.

Adding to 166324226 its reverse (622423661), we get a palindrome (788747887).

The spelling of 166324226 in words is "one hundred sixty-six million, three hundred twenty-four thousand, two hundred twenty-six".