12166760471653 has 2 divisors, whose sum is σ = 12166760471654. Its totient is φ = 12166760471652.

The previous prime is 12166760471651. The next prime is 12166760471669. The reversal of 12166760471653 is 35617406766121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11343309488289 + 823450983364 = 3367983^2 + 907442^2 .

It is a cyclic number.

It is not a de Polignac number, because 12166760471653 - 2¹ = 12166760471651 is a prime.

Together with 12166760471651, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12166760471594 and 12166760471603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12166760471651) 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 as a sum of consecutive naturals, namely, 6083380235826 + 6083380235827.

It is an arithmetic number, because the mean of its divisors is an integer number (6083380235827).

Almost surely, 2^{12166760471653} is an apocalyptic number.

It is an amenable number.

12166760471653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12166760471653 is an equidigital number, since it uses as much as digits as its factorization.

12166760471653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 12166760471653 in words is "twelve trillion, one hundred sixty-six billion, seven hundred sixty million, four hundred seventy-one thousand, six hundred fifty-three".