320216680759 has 2 divisors, whose sum is σ = 320216680760. Its totient is φ = 320216680758.

The previous prime is 320216680727. The next prime is 320216680787. The reversal of 320216680759 is 957086612023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320216680759 - 2⁵ = 320216680727 is a prime.

It is a super-2 number, since 2×320216680759² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320216687759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160108340379 + 160108340380.

It is an arithmetic number, because the mean of its divisors is an integer number (160108340380).

Almost surely, 2^320216680759 is an apocalyptic number.

320216680759 is a deficient number, since it is larger than the sum of its proper divisors (1).

320216680759 is an equidigital number, since it uses as much as digits as its factorization.

320216680759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 320216680759 in words is "three hundred twenty billion, two hundred sixteen million, six hundred eighty thousand, seven hundred fifty-nine".