667667833317 has 40 divisors (see below), whose sum is σ = 1016584183296. Its totient is φ = 436547955168.

The previous prime is 667667833297. The next prime is 667667833321. The reversal of 667667833317 is 713338766766.

It is a happy number.

667667833317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667667833317 - 2⁶ = 667667833253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667667833367) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11850628 + ... + 11906834.

Almost surely, 2^667667833317 is an apocalyptic number.

It is an amenable number.

667667833317 is a deficient number, since it is larger than the sum of its proper divisors (348916349979).

667667833317 is a wasteful number, since it uses less digits than its factorization.

667667833317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59039 (or 59030 counting only the distinct ones).

The product of its digits is 96018048, while the sum is 63.

The spelling of 667667833317 in words is "six hundred sixty-seven billion, six hundred sixty-seven million, eight hundred thirty-three thousand, three hundred seventeen".