220432166 has 8 divisors (see below), whose sum is σ = 350098200. Its totient is φ = 103732768.

The previous prime is 220432159. The next prime is 220432169. The reversal of 220432166 is 661234022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220432169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241616 + ... + 3241683.

It is an arithmetic number, because the mean of its divisors is an integer number (43762275).

Almost surely, 2^220432166 is an apocalyptic number.

220432166 is a deficient number, since it is larger than the sum of its proper divisors (129666034).

220432166 is a wasteful number, since it uses less digits than its factorization.

220432166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6483318.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 220432166 is about 14846.9581396325. The cubic root of 220432166 is about 604.0761036658.

Adding to 220432166 its reverse (661234022), we get a palindrome (881666188).

The spelling of 220432166 in words is "two hundred twenty million, four hundred thirty-two thousand, one hundred sixty-six".