66322117313 has 8 divisors (see below), whose sum is σ = 67990779648. Its totient is φ = 64664186464.

The previous prime is 66322117261. The next prime is 66322117339. The reversal of 66322117313 is 31371122366.

66322117313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 66322117313 - 2²⁸ = 66053681857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66322117343) 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, 2670356 + ... + 2695077.

It is an arithmetic number, because the mean of its divisors is an integer number (8498847456).

Almost surely, 2^66322117313 is an apocalyptic number.

It is an amenable number.

66322117313 is a deficient number, since it is larger than the sum of its proper divisors (1668662335).

66322117313 is a wasteful number, since it uses less digits than its factorization.

66322117313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365743.

The product of its digits is 27216, while the sum is 35.

Adding to 66322117313 its reverse (31371122366), we get a palindrome (97693239679).

The spelling of 66322117313 in words is "sixty-six billion, three hundred twenty-two million, one hundred seventeen thousand, three hundred thirteen".