6216505716161 has 32 divisors (see below), whose sum is σ = 7137738736128. Its totient is φ = 5363351470080.

The previous prime is 6216505716151. The next prime is 6216505716181. The reversal of 6216505716161 is 1616175056126.

6216505716161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6216505716161 - 2²⁶ = 6216438607297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6216505716101) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 24227240 + ... + 24482486.

It is an arithmetic number, because the mean of its divisors is an integer number (223054335504).

Almost surely, 2^{6216505716161} is an apocalyptic number.

It is an amenable number.

6216505716161 is a deficient number, since it is larger than the sum of its proper divisors (921233019967).

6216505716161 is a wasteful number, since it uses less digits than its factorization.

6216505716161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256041.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 6216505716161 in words is "six trillion, two hundred sixteen billion, five hundred five million, seven hundred sixteen thousand, one hundred sixty-one".