16303312 has 10 divisors (see below), whose sum is σ = 31587698. Its totient is φ = 8151648.

The previous prime is 16303291. The next prime is 16303333. The reversal of 16303312 is 21330361.

It is an interprime number because it is at equal distance from previous prime (16303291) and next prime (16303333).

It can be written as a sum of positive squares in only one way, i.e., 15335056 + 968256 = 3916^2 + 984^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16303312.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 509463 + ... + 509494.

Almost surely, 2^16303312 is an apocalyptic number.

It is an amenable number.

16303312 is a deficient number, since it is larger than the sum of its proper divisors (15284386).

16303312 is a wasteful number, since it uses less digits than its factorization.

16303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018965 (or 1018959 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 16303312 is about 4037.7359992947. The cubic root of 16303312 is about 253.5665411778.

Adding to 16303312 its reverse (21330361), we get a palindrome (37633673).

The spelling of 16303312 in words is "sixteen million, three hundred three thousand, three hundred twelve".