667215363107 has 2 divisors, whose sum is σ = 667215363108. Its totient is φ = 667215363106.

The previous prime is 667215363071. The next prime is 667215363127. The reversal of 667215363107 is 701363512766.

Together with previous prime (667215363071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 667215363107 - 2¹² = 667215359011 is a prime.

It is not a weakly prime, because it can be changed into another prime (667215363127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333607681553 + 333607681554.

It is an arithmetic number, because the mean of its divisors is an integer number (333607681554).

Almost surely, 2^667215363107 is an apocalyptic number.

667215363107 is a deficient number, since it is larger than the sum of its proper divisors (1).

667215363107 is an equidigital number, since it uses as much as digits as its factorization.

667215363107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 667215363107 in words is "six hundred sixty-seven billion, two hundred fifteen million, three hundred sixty-three thousand, one hundred seven".