65850770304 has 192 divisors, whose sum is σ = 217599782400. Its totient is φ = 18904458240.

The previous prime is 65850770303. The next prime is 65850770329. The reversal of 65850770304 is 40307705856.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 65850770304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65850770303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104017 + ... + 377519.

It is an arithmetic number, because the mean of its divisors is an integer number (1133332200).

Almost surely, 2^65850770304 is an apocalyptic number.

65850770304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65850770304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108799891200).

65850770304 is an abundant number, since it is smaller than the sum of its proper divisors (151749012096).

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

65850770304 is a wasteful number, since it uses less digits than its factorization.

65850770304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273553 (or 273538 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 65850770304 in words is "sixty-five billion, eight hundred fifty million, seven hundred seventy thousand, three hundred four".