667481203216 has 40 divisors (see below), whose sum is σ = 1323011571840. Its totient is φ = 326083065984.

The previous prime is 667481203211. The next prime is 667481203219. The reversal of 667481203216 is 612302184766.

It is not an unprimeable number, because it can be changed into a prime (667481203211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314631 + ... + 1197478.

It is an arithmetic number, because the mean of its divisors is an integer number (33075289296).

Almost surely, 2^667481203216 is an apocalyptic number.

It is an amenable number.

667481203216 is a deficient number, since it is larger than the sum of its proper divisors (655530368624).

667481203216 is a wasteful number, since it uses less digits than its factorization.

667481203216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512751 (or 1512745 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 667481203216 in words is "six hundred sixty-seven billion, four hundred eighty-one million, two hundred three thousand, two hundred sixteen".