16616317204 has 24 divisors (see below), whose sum is σ = 29402231040. Its totient is φ = 8215907424.

The previous prime is 16616317199. The next prime is 16616317213. The reversal of 16616317204 is 40271361661.

16616317204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16616317204² (a number of 21 digits) contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 268182 + ... + 324274.

It is an arithmetic number, because the mean of its divisors is an integer number (1225092960).

Almost surely, 2^16616317204 is an apocalyptic number.

It is an amenable number.

16616317204 is a deficient number, since it is larger than the sum of its proper divisors (12785913836).

16616317204 is a wasteful number, since it uses less digits than its factorization.

16616317204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56919 (or 56917 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

Adding to 16616317204 its reverse (40271361661), we get a palindrome (56887678865).

The spelling of 16616317204 in words is "sixteen billion, six hundred sixteen million, three hundred seventeen thousand, two hundred four".