667066340334 has 8 divisors (see below), whose sum is σ = 1334132680680. Its totient is φ = 222355446776.

The previous prime is 667066340189. The next prime is 667066340359. The reversal of 667066340334 is 433043660766.

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

667066340334 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 55588861689 + ... + 55588861700.

It is an arithmetic number, because the mean of its divisors is an integer number (166766585085).

Almost surely, 2^667066340334 is an apocalyptic number.

667066340334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

667066340334 is a wasteful number, since it uses less digits than its factorization.

667066340334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111177723394.

The product of its (nonzero) digits is 3919104, while the sum is 48.

The spelling of 667066340334 in words is "six hundred sixty-seven billion, sixty-six million, three hundred forty thousand, three hundred thirty-four".