16606224 has 30 divisors (see below), whose sum is σ = 46474766. Its totient is φ = 5535360.

The previous prime is 16606223. The next prime is 16606237. The reversal of 16606224 is 42260661.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16548624 + 57600 = 4068^2 + 240^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16606223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57517 + ... + 57804.

Almost surely, 2^16606224 is an apocalyptic number.

It is an amenable number.

16606224 is an abundant number, since it is smaller than the sum of its proper divisors (29868542).

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

16606224 is a wasteful number, since it uses less digits than its factorization.

16606224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115335 (or 115326 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 16606224 is about 4075.0734962697. The cubic root of 16606224 is about 255.1273181973.

Adding to 16606224 its reverse (42260661), we get a palindrome (58866885).

The spelling of 16606224 in words is "sixteen million, six hundred six thousand, two hundred twenty-four".