65744116636 has 24 divisors (see below), whose sum is σ = 129560256000. Its totient is φ = 28919698800.

The previous prime is 65744116591. The next prime is 65744116637. The reversal of 65744116636 is 63661144756.

It is a self number, because there is not a number n which added to its sum of digits gives 65744116636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65744116637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24098386 + ... + 24101113.

It is an arithmetic number, because the mean of its divisors is an integer number (5398344000).

Almost surely, 2^65744116636 is an apocalyptic number.

It is an amenable number.

65744116636 is a deficient number, since it is larger than the sum of its proper divisors (63816139364).

65744116636 is a wasteful number, since it uses less digits than its factorization.

65744116636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48199545 (or 48199543 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The spelling of 65744116636 in words is "sixty-five billion, seven hundred forty-four million, one hundred sixteen thousand, six hundred thirty-six".