667485358559 has 2 divisors, whose sum is σ = 667485358560. Its totient is φ = 667485358558.

The previous prime is 667485358549. The next prime is 667485358571. The reversal of 667485358559 is 955853584766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 667485358559 - 2²⁴ = 667468581343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 667485358492 and 667485358501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667485358549) 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, 333742679279 + 333742679280.

It is an arithmetic number, because the mean of its divisors is an integer number (333742679280).

Almost surely, 2^667485358559 is an apocalyptic number.

667485358559 is a deficient number, since it is larger than the sum of its proper divisors (1).

667485358559 is an equidigital number, since it uses as much as digits as its factorization.

667485358559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640000, while the sum is 71.

The spelling of 667485358559 in words is "six hundred sixty-seven billion, four hundred eighty-five million, three hundred fifty-eight thousand, five hundred fifty-nine".