320056660424377 has 2 divisors, whose sum is σ = 320056660424378. Its totient is φ = 320056660424376.

The previous prime is 320056660424359. The next prime is 320056660424407. The reversal of 320056660424377 is 773424066650023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270237400332201 + 49819260092176 = 16438899^2 + 7058276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320056660424377 is a prime.

It is not a weakly prime, because it can be changed into another prime (320056660464377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160028330212188 + 160028330212189.

It is an arithmetic number, because the mean of its divisors is an integer number (160028330212189).

Almost surely, 2^{320056660424377} is an apocalyptic number.

It is an amenable number.

320056660424377 is a deficient number, since it is larger than the sum of its proper divisors (1).

320056660424377 is an equidigital number, since it uses as much as digits as its factorization.

320056660424377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 55.

The spelling of 320056660424377 in words is "three hundred twenty trillion, fifty-six billion, six hundred sixty million, four hundred twenty-four thousand, three hundred seventy-seven".