667216216803 has 8 divisors (see below), whose sum is σ = 898792979728. Its totient is φ = 440225132544.

The previous prime is 667216216763. The next prime is 667216216811. The reversal of 667216216803 is 308612612766.

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

It is not a de Polignac number, because 667216216803 - 2¹⁰ = 667216215779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667216216103) 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, 1146419326 + ... + 1146419907.

It is an arithmetic number, because the mean of its divisors is an integer number (112349122466).

Almost surely, 2^667216216803 is an apocalyptic number.

667216216803 is a deficient number, since it is larger than the sum of its proper divisors (231576762925).

667216216803 is a wasteful number, since it uses less digits than its factorization.

667216216803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292839333.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 667216216803 in words is "six hundred sixty-seven billion, two hundred sixteen million, two hundred sixteen thousand, eight hundred three".