65065536675220 has 12 divisors (see below), whose sum is σ = 136637627018004. Its totient is φ = 26026214670080.

The previous prime is 65065536675179. The next prime is 65065536675233. The reversal of 65065536675220 is 2257663556056.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31368579786756 + 33696956888464 = 5600766^2 + 5804908^2 .

It is a super-3 number, since 3×65065536675220³ (a number of 42 digits) contains 333 as substring.

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, 1626638416861 + ... + 1626638416900.

It is an arithmetic number, because the mean of its divisors is an integer number (11386468918167).

Almost surely, 2^{65065536675220} is an apocalyptic number.

It is an amenable number.

65065536675220 is an abundant number, since it is smaller than the sum of its proper divisors (71572090342784).

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

65065536675220 is a wasteful number, since it uses less digits than its factorization.

65065536675220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253276833770 (or 3253276833768 counting only the distinct ones).

The product of its (nonzero) digits is 68040000, while the sum is 58.

The spelling of 65065536675220 in words is "sixty-five trillion, sixty-five billion, five hundred thirty-six million, six hundred seventy-five thousand, two hundred twenty".