82184657161 has 2 divisors, whose sum is σ = 82184657162. Its totient is φ = 82184657160.

The previous prime is 82184657147. The next prime is 82184657207. The reversal of 82184657161 is 16175648128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60555366400 + 21629290761 = 246080^2 + 147069^2 .

It is a cyclic number.

It is not a de Polignac number, because 82184657161 - 2⁹ = 82184656649 is a prime.

It is a super-2 number, since 2×82184657161² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82184687161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41092328580 + 41092328581.

It is an arithmetic number, because the mean of its divisors is an integer number (41092328581).

Almost surely, 2^82184657161 is an apocalyptic number.

It is an amenable number.

82184657161 is a deficient number, since it is larger than the sum of its proper divisors (1).

82184657161 is an equidigital number, since it uses as much as digits as its factorization.

82184657161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 49.

The spelling of 82184657161 in words is "eighty-two billion, one hundred eighty-four million, six hundred fifty-seven thousand, one hundred sixty-one".