320056633541641 has 2 divisors, whose sum is σ = 320056633541642. Its totient is φ = 320056633541640.

The previous prime is 320056633541597. The next prime is 320056633541669. The reversal of 320056633541641 is 146145336650023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189494496490000 + 130562137051641 = 13765700^2 + 11426379^2 .

It is a cyclic number.

It is not a de Polignac number, because 320056633541641 - 2¹¹ = 320056633539593 is a prime.

It is not a weakly prime, because it can be changed into another prime (320056633541681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160028316770820 + 160028316770821.

It is an arithmetic number, because the mean of its divisors is an integer number (160028316770821).

Almost surely, 2^{320056633541641} is an apocalyptic number.

It is an amenable number.

320056633541641 is a deficient number, since it is larger than the sum of its proper divisors (1).

320056633541641 is an equidigital number, since it uses as much as digits as its factorization.

320056633541641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 320056633541641 in words is "three hundred twenty trillion, fifty-six billion, six hundred thirty-three million, five hundred forty-one thousand, six hundred forty-one".