667367104325717 has 12 divisors (see below), whose sum is σ = 681387757194144. Its totient is φ = 653628553833840.

The previous prime is 667367104325659. The next prime is 667367104325777. The reversal of 667367104325717 is 717523401763766.

It is not a de Polignac number, because 667367104325717 - 2¹⁴ = 667367104309333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667367104325777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206436113 + ... + 209643990.

It is an arithmetic number, because the mean of its divisors is an integer number (56782313099512).

Almost surely, 2^{667367104325717} is an apocalyptic number.

It is an amenable number.

667367104325717 is a deficient number, since it is larger than the sum of its proper divisors (14020652868427).

667367104325717 is an equidigital number, since it uses as much as digits as its factorization.

667367104325717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416080780 (or 416080727 counting only the distinct ones).

The product of its (nonzero) digits is 186701760, while the sum is 65.

The spelling of 667367104325717 in words is "six hundred sixty-seven trillion, three hundred sixty-seven billion, one hundred four million, three hundred twenty-five thousand, seven hundred seventeen".