668248000217 has 8 divisors (see below), whose sum is σ = 796916870016. Its totient is φ = 547880347872.

The previous prime is 668248000159. The next prime is 668248000219. The reversal of 668248000217 is 712000842866.

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

It is a cyclic number.

It is not a de Polignac number, because 668248000217 - 2⁶ = 668248000153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (668248000219) 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 in 7 ways as a sum of consecutive naturals, for example, 2075304188 + ... + 2075304509.

It is an arithmetic number, because the mean of its divisors is an integer number (99614608752).

Almost surely, 2^668248000217 is an apocalyptic number.

It is an amenable number.

668248000217 is a deficient number, since it is larger than the sum of its proper divisors (128668869799).

668248000217 is a wasteful number, since it uses less digits than its factorization.

668248000217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150608727.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 668248000217 in words is "six hundred sixty-eight billion, two hundred forty-eight million, two hundred seventeen", and thus it is an aban number.