326791066613 has 8 divisors (see below), whose sum is σ = 356732217696. Its totient is φ = 296888727600.

The previous prime is 326791066607. The next prime is 326791066627. The reversal of 326791066613 is 316660197623.

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

It is a cyclic number.

It is not a de Polignac number, because 326791066613 - 2²⁸ = 326522631157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326791066813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9685406 + ... + 9719087.

It is an arithmetic number, because the mean of its divisors is an integer number (44591527212).

Almost surely, 2^326791066613 is an apocalyptic number.

It is an amenable number.

326791066613 is a deficient number, since it is larger than the sum of its proper divisors (29941151083).

326791066613 is a wasteful number, since it uses less digits than its factorization.

326791066613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19406035.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 326791066613 in words is "three hundred twenty-six billion, seven hundred ninety-one million, sixty-six thousand, six hundred thirteen".