16434216 has 96 divisors (see below), whose sum is σ = 47424000. Its totient is φ = 5132160.

The previous prime is 16434203. The next prime is 16434217. The reversal of 16434216 is 61243461.

16434216 is a `hidden beast` number, since 1 + 643 + 4 + 2 + 16 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 16434216.

It is not an unprimeable number, because it can be changed into a prime (16434217) 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 23 ways as a sum of consecutive naturals, for example, 82485 + ... + 82683.

It is an arithmetic number, because the mean of its divisors is an integer number (494000).

Almost surely, 2^16434216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16434216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23712000).

16434216 is an abundant number, since it is smaller than the sum of its proper divisors (30989784).

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

16434216 is a wasteful number, since it uses less digits than its factorization.

16434216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 272 counting only the distinct ones).

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

The square root of 16434216 is about 4053.9136645962. The cubic root of 16434216 is about 254.2433858641.

Adding to 16434216 its reverse (61243461), we get a palindrome (77677677).

The spelling of 16434216 in words is "sixteen million, four hundred thirty-four thousand, two hundred sixteen".