65116741844 has 48 divisors (see below), whose sum is σ = 142319506560. Its totient is φ = 25326120960.

The previous prime is 65116741771. The next prime is 65116741853. The reversal of 65116741844 is 44814761156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5489 + ... + 360920.

It is an arithmetic number, because the mean of its divisors is an integer number (2964989720).

Almost surely, 2^65116741844 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 65116741844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71159753280).

65116741844 is an abundant number, since it is smaller than the sum of its proper divisors (77202764716).

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

65116741844 is a wasteful number, since it uses less digits than its factorization.

65116741844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367008 (or 367006 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The spelling of 65116741844 in words is "sixty-five billion, one hundred sixteen million, seven hundred forty-one thousand, eight hundred forty-four".