664304317067 has 2 divisors, whose sum is σ = 664304317068. Its totient is φ = 664304317066.

The previous prime is 664304317043. The next prime is 664304317091. The reversal of 664304317067 is 760713403466.

It is a balanced prime because it is at equal distance from previous prime (664304317043) and next prime (664304317091).

It is a cyclic number.

It is not a de Polignac number, because 664304317067 - 2⁶ = 664304317003 is a prime.

It is not a weakly prime, because it can be changed into another prime (664304317007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332152158533 + 332152158534.

It is an arithmetic number, because the mean of its divisors is an integer number (332152158534).

Almost surely, 2^664304317067 is an apocalyptic number.

664304317067 is a deficient number, since it is larger than the sum of its proper divisors (1).

664304317067 is an equidigital number, since it uses as much as digits as its factorization.

664304317067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 664304317067 in words is "six hundred sixty-four billion, three hundred four million, three hundred seventeen thousand, sixty-seven".