320494388359667 has 2 divisors, whose sum is σ = 320494388359668. Its totient is φ = 320494388359666.

The previous prime is 320494388359583. The next prime is 320494388359771. The reversal of 320494388359667 is 766953883494023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320494388359667 - 2¹⁰ = 320494388358643 is a prime.

It is not a weakly prime, because it can be changed into another prime (320494388359867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160247194179833 + 160247194179834.

It is an arithmetic number, because the mean of its divisors is an integer number (160247194179834).

Almost surely, 2^{320494388359667} is an apocalyptic number.

320494388359667 is a deficient number, since it is larger than the sum of its proper divisors (1).

320494388359667 is an equidigital number, since it uses as much as digits as its factorization.

320494388359667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5643509760, while the sum is 77.

The spelling of 320494388359667 in words is "three hundred twenty trillion, four hundred ninety-four billion, three hundred eighty-eight million, three hundred fifty-nine thousand, six hundred sixty-seven".