6218165161 has 16 divisors (see below), whose sum is σ = 7086078720. Its totient is φ = 5412939840.

The previous prime is 6218165159. The next prime is 6218165197. The reversal of 6218165161 is 1615618126.

It is a cyclic number.

It is not a de Polignac number, because 6218165161 - 2¹ = 6218165159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6218165161.

It is not an unprimeable number, because it can be changed into a prime (6218165141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125226 + ... + 167683.

It is an arithmetic number, because the mean of its divisors is an integer number (442879920).

Almost surely, 2^6218165161 is an apocalyptic number.

It is an amenable number.

6218165161 is a deficient number, since it is larger than the sum of its proper divisors (867913559).

6218165161 is a wasteful number, since it uses less digits than its factorization.

6218165161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293016.

The product of its digits is 17280, while the sum is 37.

The square root of 6218165161 is about 78855.3432622039. The cubic root of 6218165161 is about 1838.8829429000.

The spelling of 6218165161 in words is "six billion, two hundred eighteen million, one hundred sixty-five thousand, one hundred sixty-one".