65326791750 has 128 divisors (see below), whose sum is σ = 178106632704. Its totient is φ = 15816528000.

The previous prime is 65326791731. The next prime is 65326791773. The reversal of 65326791750 is 5719762356.

It is a junction number, because it is equal to n+sod(n) for n = 65326791693 and 65326791702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7032609 + ... + 7041891.

It is an arithmetic number, because the mean of its divisors is an integer number (1391458068).

Almost surely, 2^65326791750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65326791750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89053316352).

65326791750 is an abundant number, since it is smaller than the sum of its proper divisors (112779840954).

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

65326791750 is a wasteful number, since it uses less digits than its factorization.

65326791750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167 (or 10157 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 65326791750 in words is "sixty-five billion, three hundred twenty-six million, seven hundred ninety-one thousand, seven hundred fifty".