320065656247 has 2 divisors, whose sum is σ = 320065656248. Its totient is φ = 320065656246.

The previous prime is 320065656241. The next prime is 320065656263. The reversal of 320065656247 is 742656560023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320065656247 - 2¹¹ = 320065654199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320065656197 and 320065656206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320065656241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160032828123 + 160032828124.

It is an arithmetic number, because the mean of its divisors is an integer number (160032828124).

Almost surely, 2^320065656247 is an apocalyptic number.

320065656247 is a deficient number, since it is larger than the sum of its proper divisors (1).

320065656247 is an equidigital number, since it uses as much as digits as its factorization.

320065656247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 320065656247 in words is "three hundred twenty billion, sixty-five million, six hundred fifty-six thousand, two hundred forty-seven".