65368011744 has 288 divisors, whose sum is σ = 222538004640. Its totient is φ = 18613131264.

The previous prime is 65368011727. The next prime is 65368011769. The reversal of 65368011744 is 44711086356.

It is a tau number, because it is divible by the number of its divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 65368011744.

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 47 ways as a sum of consecutive naturals, for example, 13248702 + ... + 13253634.

It is an arithmetic number, because the mean of its divisors is an integer number (772701405).

Almost surely, 2^65368011744 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 65368011744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111269002320).

65368011744 is an abundant number, since it is smaller than the sum of its proper divisors (157169992896).

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

65368011744 is a wasteful number, since it uses less digits than its factorization.

65368011744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279 (or 5258 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 65368011744 in words is "sixty-five billion, three hundred sixty-eight million, eleven thousand, seven hundred forty-four".