65318257122 has 8 divisors (see below), whose sum is σ = 130636514256. Its totient is φ = 21772752372.

The previous prime is 65318257091. The next prime is 65318257139. The reversal of 65318257122 is 22175281356.

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

65318257122 is an admirable number.

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, 5443188088 + ... + 5443188099.

It is an arithmetic number, because the mean of its divisors is an integer number (16329564282).

Almost surely, 2^65318257122 is an apocalyptic number.

65318257122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65318257122 is a wasteful number, since it uses less digits than its factorization.

65318257122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886376192.

The product of its digits is 201600, while the sum is 42.

The spelling of 65318257122 in words is "sixty-five billion, three hundred eighteen million, two hundred fifty-seven thousand, one hundred twenty-two".