16216328 has 16 divisors (see below), whose sum is σ = 30583980. Its totient is φ = 8060608.

The previous prime is 16216303. The next prime is 16216331. The reversal of 16216328 is 82361261.

16216328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15984004 + 232324 = 3998^2 + 482^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16216328.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475 + ... + 7242.

Almost surely, 2^16216328 is an apocalyptic number.

It is an amenable number.

16216328 is a deficient number, since it is larger than the sum of its proper divisors (14367652).

16216328 is a wasteful number, since it uses less digits than its factorization.

16216328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11896 (or 11892 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 16216328 is about 4026.9502107674. The cubic root of 16216328 is about 253.1147807285.

Adding to 16216328 its reverse (82361261), we get a palindrome (98577589).

The spelling of 16216328 in words is "sixteen million, two hundred sixteen thousand, three hundred twenty-eight".