16500066565116 has 48 divisors (see below), whose sum is σ = 38671497615744. Its totient is φ = 5475546897216.

The previous prime is 16500066565091. The next prime is 16500066565117. The reversal of 16500066565116 is 61156566000561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500066565117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66458826 + ... + 66706638.

It is an arithmetic number, because the mean of its divisors is an integer number (805656200328).

Almost surely, 2^{16500066565116} is an apocalyptic number.

It is an amenable number.

16500066565116 is an abundant number, since it is smaller than the sum of its proper divisors (22171431050628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16500066565116 is a wasteful number, since it uses less digits than its factorization.

16500066565116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272490 (or 272488 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 16500066565116 in words is "sixteen trillion, five hundred billion, sixty-six million, five hundred sixty-five thousand, one hundred sixteen".