16565010116 has 12 divisors (see below), whose sum is σ = 28992408060. Its totient is φ = 8281464960.

The previous prime is 16565010109. The next prime is 16565010157. The reversal of 16565010116 is 61101056561.

It can be written as a sum of positive squares in 2 ways, for example, as 752953600 + 15812056516 = 27440^2 + 125746^2 .

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, 223625 + ... + 288336.

It is an arithmetic number, because the mean of its divisors is an integer number (2416034005).

Almost surely, 2^16565010116 is an apocalyptic number.

It is an amenable number.

16565010116 is a deficient number, since it is larger than the sum of its proper divisors (12427397944).

16565010116 is a wasteful number, since it uses less digits than its factorization.

16565010116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520054 (or 520052 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

Adding to 16565010116 its reverse (61101056561), we get a palindrome (77666066677).

The spelling of 16565010116 in words is "sixteen billion, five hundred sixty-five million, ten thousand, one hundred sixteen".