65047399522566 has 8 divisors (see below), whose sum is σ = 130094799045144. Its totient is φ = 21682466507520.

The previous prime is 65047399522549. The next prime is 65047399522577. The reversal of 65047399522566 is 66522599374056.

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

65047399522566 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 65047399522566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5420616626875 + ... + 5420616626886.

It is an arithmetic number, because the mean of its divisors is an integer number (16261849880643).

Almost surely, 2^{65047399522566} is an apocalyptic number.

65047399522566 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.

65047399522566 is a wasteful number, since it uses less digits than its factorization.

65047399522566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10841233253766.

The product of its (nonzero) digits is 734832000, while the sum is 69.

The spelling of 65047399522566 in words is "sixty-five trillion, forty-seven billion, three hundred ninety-nine million, five hundred twenty-two thousand, five hundred sixty-six".