16816928 has 12 divisors (see below), whose sum is σ = 33108390. Its totient is φ = 8408448.

The previous prime is 16816909. The next prime is 16816931. The reversal of 16816928 is 82961861.

It can be written as a sum of positive squares in only one way, i.e., 15147664 + 1669264 = 3892^2 + 1292^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262733 + ... + 262796.

Almost surely, 2^16816928 is an apocalyptic number.

It is an amenable number.

16816928 is a deficient number, since it is larger than the sum of its proper divisors (16291462).

16816928 is an equidigital number, since it uses as much as digits as its factorization.

16816928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525539 (or 525531 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 16816928 is about 4100.8447910156. The cubic root of 16816928 is about 256.2018265183.

The spelling of 16816928 in words is "sixteen million, eight hundred sixteen thousand, nine hundred twenty-eight".