65793396312 has 320 divisors, whose sum is σ = 220122270720. Its totient is φ = 17967785472.

The previous prime is 65793396299. The next prime is 65793396323. The reversal of 65793396312 is 21369339756.

65793396312 is a `hidden beast` number, since 6 + 579 + 3 + 3 + 9 + 63 + 1 + 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9163668 + ... + 9170844.

It is an arithmetic number, because the mean of its divisors is an integer number (687882096).

Almost surely, 2^65793396312 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 65793396312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110061135360).

65793396312 is an abundant number, since it is smaller than the sum of its proper divisors (154328874408).

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

65793396312 is a wasteful number, since it uses less digits than its factorization.

65793396312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292 (or 7279 counting only the distinct ones).

The product of its digits is 5511240, while the sum is 54.

The spelling of 65793396312 in words is "sixty-five billion, seven hundred ninety-three million, three hundred ninety-six thousand, three hundred twelve".