327656040961 has 2 divisors, whose sum is σ = 327656040962. Its totient is φ = 327656040960.

The previous prime is 327656040931. The next prime is 327656040977. The reversal of 327656040961 is 169040656723.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227471763600 + 100184277361 = 476940^2 + 316519^2 .

It is an emirp because it is prime and its reverse (169040656723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 327656040961 - 2¹⁹ = 327655516673 is a prime.

It is not a weakly prime, because it can be changed into another prime (327656040931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163828020480 + 163828020481.

It is an arithmetic number, because the mean of its divisors is an integer number (163828020481).

Almost surely, 2^327656040961 is an apocalyptic number.

It is an amenable number.

327656040961 is a deficient number, since it is larger than the sum of its proper divisors (1).

327656040961 is an equidigital number, since it uses as much as digits as its factorization.

327656040961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 327656040961 in words is "three hundred twenty-seven billion, six hundred fifty-six million, forty thousand, nine hundred sixty-one".