65600710072221 has 8 divisors (see below), whose sum is σ = 87471346510144. Its totient is φ = 43731940174560.

The previous prime is 65600710072129. The next prime is 65600710072223. The reversal of 65600710072221 is 12227001700656.

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

It is not a de Polignac number, because 65600710072221 - 2⁹ = 65600710071709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65600710072221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65600710072223) 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, 466553056 + ... + 466693641.

It is an arithmetic number, because the mean of its divisors is an integer number (10933918313768).

Almost surely, 2^{65600710072221} is an apocalyptic number.

It is an amenable number.

65600710072221 is a deficient number, since it is larger than the sum of its proper divisors (21870636437923).

65600710072221 is a wasteful number, since it uses less digits than its factorization.

65600710072221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933270131.

The product of its (nonzero) digits is 70560, while the sum is 39.

Adding to 65600710072221 its reverse (12227001700656), we get a palindrome (77827711772877).

The spelling of 65600710072221 in words is "sixty-five trillion, six hundred billion, seven hundred ten million, seventy-two thousand, two hundred twenty-one".