326990320360667 has 2 divisors, whose sum is σ = 326990320360668. Its totient is φ = 326990320360666.

The previous prime is 326990320360637. The next prime is 326990320360723. The reversal of 326990320360667 is 766063023099623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 326990320360667 - 2²⁰ = 326990319312091 is a prime.

It is not a weakly prime, because it can be changed into another prime (326990320360637) 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, 163495160180333 + 163495160180334.

It is an arithmetic number, because the mean of its divisors is an integer number (163495160180334).

Almost surely, 2^{326990320360667} is an apocalyptic number.

326990320360667 is a deficient number, since it is larger than the sum of its proper divisors (1).

326990320360667 is an equidigital number, since it uses as much as digits as its factorization.

326990320360667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79361856, while the sum is 62.

The spelling of 326990320360667 in words is "three hundred twenty-six trillion, nine hundred ninety billion, three hundred twenty million, three hundred sixty thousand, six hundred sixty-seven".