66318315266 has 8 divisors (see below), whose sum is σ = 113688540480. Its totient is φ = 28422135108.

The previous prime is 66318315247. The next prime is 66318315277. The reversal of 66318315266 is 66251381366.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66318315266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368511246 + ... + 2368511273.

It is an arithmetic number, because the mean of its divisors is an integer number (14211067560).

Almost surely, 2^66318315266 is an apocalyptic number.

66318315266 is a deficient number, since it is larger than the sum of its proper divisors (47370225214).

66318315266 is a wasteful number, since it uses less digits than its factorization.

66318315266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737022528.

The product of its digits is 933120, while the sum is 47.

The spelling of 66318315266 in words is "sixty-six billion, three hundred eighteen million, three hundred fifteen thousand, two hundred sixty-six".