65895375312 has 480 divisors, whose sum is σ = 220660876800. Its totient is φ = 18866566656.

The previous prime is 65895375289. The next prime is 65895375323. The reversal of 65895375312 is 21357359856.

65895375312 is a `hidden beast` number, since 6 + 58 + 9 + 53 + 7 + 531 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 56659243 + ... + 56660405.

It is an arithmetic number, because the mean of its divisors is an integer number (459710160).

Almost surely, 2^65895375312 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 65895375312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110330438400).

65895375312 is an abundant number, since it is smaller than the sum of its proper divisors (154765501488).

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

65895375312 is a wasteful number, since it uses less digits than its factorization.

65895375312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277 (or 1259 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The spelling of 65895375312 in words is "sixty-five billion, eight hundred ninety-five million, three hundred seventy-five thousand, three hundred twelve".