12310166161 has 2 divisors, whose sum is σ = 12310166162. Its totient is φ = 12310166160.

The previous prime is 12310166159. The next prime is 12310166179. The reversal of 12310166161 is 16166101321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9495333136 + 2814833025 = 97444^2 + 53055^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310166161 - 2¹ = 12310166159 is a prime.

It is a super-2 number, since 2×12310166161² (a number of 21 digits) contains 22 as substring.

Together with 12310166159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12310166111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155083080 + 6155083081.

It is an arithmetic number, because the mean of its divisors is an integer number (6155083081).

Almost surely, 2^12310166161 is an apocalyptic number.

It is an amenable number.

12310166161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310166161 is an equidigital number, since it uses as much as digits as its factorization.

12310166161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 12310166161 its reverse (16166101321), we get a palindrome (28476267482).

The spelling of 12310166161 in words is "twelve billion, three hundred ten million, one hundred sixty-six thousand, one hundred sixty-one".