320056660425527 has 2 divisors, whose sum is σ = 320056660425528. Its totient is φ = 320056660425526.

The previous prime is 320056660425487. The next prime is 320056660425581. The reversal of 320056660425527 is 725524066650023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320056660425527 - 2⁴⁶ = 249687916247863 is a prime.

It is a super-2 number, since 2×320056660425527² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320056660455527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160028330212763 + 160028330212764.

It is an arithmetic number, because the mean of its divisors is an integer number (160028330212764).

Almost surely, 2^{320056660425527} is an apocalyptic number.

320056660425527 is a deficient number, since it is larger than the sum of its proper divisors (1).

320056660425527 is an equidigital number, since it uses as much as digits as its factorization.

320056660425527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144000, while the sum is 53.

The spelling of 320056660425527 in words is "three hundred twenty trillion, fifty-six billion, six hundred sixty million, four hundred twenty-five thousand, five hundred twenty-seven".