667384042522813 has 16 divisors (see below), whose sum is σ = 832065642676224. Its totient is φ = 520038000635760.

The previous prime is 667384042522727. The next prime is 667384042522829. The reversal of 667384042522813 is 318225240483766.

It is a cyclic number.

It is not a de Polignac number, because 667384042522813 - 2²⁹ = 667383505651901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667384042522843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14402356 + ... + 39270802.

It is an arithmetic number, because the mean of its divisors is an integer number (52004102667264).

Almost surely, 2^{667384042522813} is an apocalyptic number.

It is an amenable number.

667384042522813 is a deficient number, since it is larger than the sum of its proper divisors (164681600153411).

667384042522813 is a wasteful number, since it uses less digits than its factorization.

667384042522813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25216992.

The product of its (nonzero) digits is 92897280, while the sum is 61.

The spelling of 667384042522813 in words is "six hundred sixty-seven trillion, three hundred eighty-four billion, forty-two million, five hundred twenty-two thousand, eight hundred thirteen".