667216216802 has 8 divisors (see below), whose sum is σ = 1006064243712. Its totient is φ = 331861468900.

The previous prime is 667216216763. The next prime is 667216216811. The reversal of 667216216802 is 208612612766.

667216216802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873319274 + ... + 873320037.

It is an arithmetic number, because the mean of its divisors is an integer number (125758030464).

Almost surely, 2^667216216802 is an apocalyptic number.

667216216802 is a deficient number, since it is larger than the sum of its proper divisors (338848026910).

667216216802 is a wasteful number, since it uses less digits than its factorization.

667216216802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746639504.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 667216216802 in words is "six hundred sixty-seven billion, two hundred sixteen million, two hundred sixteen thousand, eight hundred two".