6565165165516 has 12 divisors (see below), whose sum is σ = 11534812105320. Its totient is φ = 3269504564000.

The previous prime is 6565165165501. The next prime is 6565165165541. The reversal of 6565165165516 is 6155615615656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3269503561 + ... + 3269505568.

It is an arithmetic number, because the mean of its divisors is an integer number (961234342110).

Almost surely, 2^{6565165165516} is an apocalyptic number.

It is an amenable number.

6565165165516 is a deficient number, since it is larger than the sum of its proper divisors (4969646939804).

6565165165516 is a wasteful number, since it uses less digits than its factorization.

6565165165516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539009384 (or 6539009382 counting only the distinct ones).

The product of its digits is 24300000, while the sum is 58.

The spelling of 6565165165516 in words is "six trillion, five hundred sixty-five billion, one hundred sixty-five million, one hundred sixty-five thousand, five hundred sixteen".