667688683046 has 96 divisors (see below), whose sum is σ = 1338324249600. Its totient is φ = 246360502080.

The previous prime is 667688683019. The next prime is 667688683063. The reversal of 667688683046 is 640386886766.

It is a happy number.

667688683046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110743160 + ... + 110749188.

It is an arithmetic number, because the mean of its divisors is an integer number (13940877600).

Almost surely, 2^667688683046 is an apocalyptic number.

667688683046 is an abundant number, since it is smaller than the sum of its proper divisors (670635566554).

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

667688683046 is a wasteful number, since it uses less digits than its factorization.

667688683046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11482 (or 11475 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 68.

The spelling of 667688683046 in words is "six hundred sixty-seven billion, six hundred eighty-eight million, six hundred eighty-three thousand, forty-six".