16006216 has 16 divisors (see below), whose sum is σ = 30060540. Its totient is φ = 7990080.

The previous prime is 16006213. The next prime is 16006259. The reversal of 16006216 is 61260061.

It can be written as a sum of positive squares in 2 ways, for example, as 15634116 + 372100 = 3954^2 + 610^2 .

16006216 is a modest number, since divided by 6216 gives 16 as remainder.

It is not an unprimeable number, because it can be changed into a prime (16006213) 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 3 ways as a sum of consecutive naturals, for example, 5350 + ... + 7786.

Almost surely, 2^16006216 is an apocalyptic number.

It is an amenable number.

16006216 is a deficient number, since it is larger than the sum of its proper divisors (14054324).

16006216 is a wasteful number, since it uses less digits than its factorization.

16006216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 16006216 is about 4000.7769245485. The cubic root of 16006216 is about 252.0168377092.

Adding to 16006216 its reverse (61260061), we get a palindrome (77266277).

The spelling of 16006216 in words is "sixteen million, six thousand, two hundred sixteen".