16605005601116 has 12 divisors (see below), whose sum is σ = 29058804005280. Its totient is φ = 8302490171040.

The previous prime is 16605005601083. The next prime is 16605005601229. The reversal of 16605005601116 is 61110650050661.

It is a super-2 number, since 2×16605005601116² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16605005601116.

It is a congruent number.

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, 196781 + ... + 5766171.

It is an arithmetic number, because the mean of its divisors is an integer number (2421567000440).

Almost surely, 2^{16605005601116} is an apocalyptic number.

It is an amenable number.

16605005601116 is a deficient number, since it is larger than the sum of its proper divisors (12453798404164).

16605005601116 is a wasteful number, since it uses less digits than its factorization.

16605005601116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314764 (or 6314762 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

Adding to 16605005601116 its reverse (61110650050661), we get a palindrome (77715655651777).

The spelling of 16605005601116 in words is "sixteen trillion, six hundred five billion, five million, six hundred one thousand, one hundred sixteen".