166032226 has 8 divisors (see below), whose sum is σ = 249103404. Its totient is φ = 82997760.

The previous prime is 166032173. The next prime is 166032277. The reversal of 166032226 is 622230661.

It is a happy number.

166032226 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 2 ways, for example, as 157628025 + 8404201 = 12555^2 + 2899^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 166032194 and 166032203.

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, 11026 + ... + 21298.

Almost surely, 2^166032226 is an apocalyptic number.

166032226 is a deficient number, since it is larger than the sum of its proper divisors (83071178).

166032226 is a wasteful number, since it uses less digits than its factorization.

166032226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18356.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 166032226 is about 12885.3492773770. The cubic root of 166032226 is about 549.6220279121.

Adding to 166032226 its reverse (622230661), we get a palindrome (788262887).

The spelling of 166032226 in words is "one hundred sixty-six million, thirty-two thousand, two hundred twenty-six".