65798511090048 has 640 divisors, whose sum is σ = 220609936419840. Its totient is φ = 19286794137600.

The previous prime is 65798511090047. The next prime is 65798511090071. The reversal of 65798511090048 is 84009011589756.

65798511090048 is a `hidden beast` number, since 6 + 5 + 79 + 8 + 511 + 0 + 9 + 0 + 0 + 48 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65798511090047) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14470750111 + ... + 14470754657.

It is an arithmetic number, because the mean of its divisors is an integer number (344703025656).

Almost surely, 2^{65798511090048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65798511090048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110304968209920).

65798511090048 is an abundant number, since it is smaller than the sum of its proper divisors (154811425329792).

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

65798511090048 is a wasteful number, since it uses less digits than its factorization.

65798511090048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708 (or 8687 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 63.

The spelling of 65798511090048 in words is "sixty-five trillion, seven hundred ninety-eight billion, five hundred eleven million, ninety thousand, forty-eight".