667315367667717 has 8 divisors (see below), whose sum is σ = 889871158919424. Its totient is φ = 444818244097248.

The previous prime is 667315367667607. The next prime is 667315367667737. The reversal of 667315367667717 is 717766763513766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 667315367667717 - 2⁸ = 667315367667461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667315367667737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14666893768 + ... + 14666939265.

It is an arithmetic number, because the mean of its divisors is an integer number (111233894864928).

Almost surely, 2^{667315367667717} is an apocalyptic number.

It is an amenable number.

667315367667717 is a deficient number, since it is larger than the sum of its proper divisors (222555791251707).

667315367667717 is a wasteful number, since it uses less digits than its factorization.

667315367667717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29333840619.

The product of its digits is 5881105440, while the sum is 78.

The spelling of 667315367667717 in words is "six hundred sixty-seven trillion, three hundred fifteen billion, three hundred sixty-seven million, six hundred sixty-seven thousand, seven hundred seventeen".