16603353316 has 27 divisors (see below), whose sum is σ = 31942895817. Its totient is φ = 7545690240.

The previous prime is 16603353289. The next prime is 16603353341. The reversal of 16603353316 is 61335330661.

The square root of 16603353316 is 128854.

It is a perfect power (a square), and thus also a powerful number.

16603353316 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 only one way, i.e., 15697584100 + 905769216 = 125290^2 + 30096^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2831860 + ... + 2837716.

Almost surely, 2^16603353316 is an apocalyptic number.

16603353316 is the 128854-th square number.

It is an amenable number.

16603353316 is a deficient number, since it is larger than the sum of its proper divisors (15339542501).

16603353316 is an frugal number, since it uses more digits than its factorization.

16603353316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740 (or 5870 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 37.

Adding to 16603353316 its reverse (61335330661), we get a palindrome (77938683977).

The spelling of 16603353316 in words is "sixteen billion, six hundred three million, three hundred fifty-three thousand, three hundred sixteen".