16327216 has 10 divisors (see below), whose sum is σ = 31634012. Its totient is φ = 8163600.

The previous prime is 16327187. The next prime is 16327243. The reversal of 16327216 is 61272361.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510210 + ... + 510241.

Almost surely, 2^16327216 is an apocalyptic number.

16327216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16327216 is a deficient number, since it is larger than the sum of its proper divisors (15306796).

16327216 is a wasteful number, since it uses less digits than its factorization.

16327216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020459 (or 1020453 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 16327216 is about 4040.6949897264. The cubic root of 16327216 is about 253.6904075158.

Adding to 16327216 its reverse (61272361), we get a palindrome (77599577).

The spelling of 16327216 in words is "sixteen million, three hundred twenty-seven thousand, two hundred sixteen".