667384042522812 has 48 divisors (see below), whose sum is σ = 1568233680959232. Its totient is φ = 220890611779200.

The previous prime is 667384042522727. The next prime is 667384042522829. The reversal of 667384042522812 is 218225240483766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77125873 + ... + 85341480.

It is an arithmetic number, because the mean of its divisors is an integer number (32671535019984).

Almost surely, 2^{667384042522812} is an apocalyptic number.

It is an amenable number.

667384042522812 is an abundant number, since it is smaller than the sum of its proper divisors (900849638436420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667384042522812 is a wasteful number, since it uses less digits than its factorization.

667384042522812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162469778 (or 162469776 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 60.

The spelling of 667384042522812 in words is "six hundred sixty-seven trillion, three hundred eighty-four billion, forty-two million, five hundred twenty-two thousand, eight hundred twelve".