65384840061996 has 384 divisors, whose sum is σ = 198441965568000. Its totient is φ = 16271807026176.

The previous prime is 65384840061859. The next prime is 65384840062021. The reversal of 65384840061996 is 69916004848356.

65384840061996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 65384840061996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5638076470 + ... + 5638088066.

It is an arithmetic number, because the mean of its divisors is an integer number (516775952000).

Almost surely, 2^{65384840061996} 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 65384840061996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99220982784000).

65384840061996 is an abundant number, since it is smaller than the sum of its proper divisors (133057125506004).

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

65384840061996 is a wasteful number, since it uses less digits than its factorization.

65384840061996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12701 (or 12699 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 69.

The spelling of 65384840061996 in words is "sixty-five trillion, three hundred eighty-four billion, eight hundred forty million, sixty-one thousand, nine hundred ninety-six".