327166100689 has 2 divisors, whose sum is σ = 327166100690. Its totient is φ = 327166100688.

The previous prime is 327166100687. The next prime is 327166100693. The reversal of 327166100689 is 986001661723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 282058712464 + 45107388225 = 531092^2 + 212385^2 .

It is a cyclic number.

It is not a de Polignac number, because 327166100689 - 2¹ = 327166100687 is a prime.

Together with 327166100687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (327166100687) 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 as a sum of consecutive naturals, namely, 163583050344 + 163583050345.

It is an arithmetic number, because the mean of its divisors is an integer number (163583050345).

Almost surely, 2^327166100689 is an apocalyptic number.

It is an amenable number.

327166100689 is a deficient number, since it is larger than the sum of its proper divisors (1).

327166100689 is an equidigital number, since it uses as much as digits as its factorization.

327166100689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 327166100689 in words is "three hundred twenty-seven billion, one hundred sixty-six million, one hundred thousand, six hundred eighty-nine".