65805795328 has 480 divisors, whose sum is σ = 179678499840. Its totient is φ = 23357030400.

The previous prime is 65805795313. The next prime is 65805795343. The reversal of 65805795328 is 82359750856.

It is an interprime number because it is at equal distance from previous prime (65805795313) and next prime (65805795343).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651542478 + ... + 651542578.

It is an arithmetic number, because the mean of its divisors is an integer number (374330208).

Almost surely, 2^65805795328 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 65805795328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89839249920).

65805795328 is an abundant number, since it is smaller than the sum of its proper divisors (113872704512).

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

65805795328 is a wasteful number, since it uses less digits than its factorization.

65805795328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 65805795328 in words is "sixty-five billion, eight hundred five million, seven hundred ninety-five thousand, three hundred twenty-eight".