66063300317 has 4 divisors (see below), whose sum is σ = 75500914656. Its totient is φ = 56625685980.

The previous prime is 66063300299. The next prime is 66063300337. The reversal of 66063300317 is 71300336066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66063300317 - 2¹⁴ = 66063283933 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 (66063300337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718807159 + ... + 4718807172.

It is an arithmetic number, because the mean of its divisors is an integer number (18875228664).

Almost surely, 2^66063300317 is an apocalyptic number.

It is an amenable number.

66063300317 is a deficient number, since it is larger than the sum of its proper divisors (9437614339).

66063300317 is an equidigital number, since it uses as much as digits as its factorization.

66063300317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437614338.

The product of its (nonzero) digits is 40824, while the sum is 35.

The spelling of 66063300317 in words is "sixty-six billion, sixty-three million, three hundred thousand, three hundred seventeen".