65535585836 has 48 divisors (see below), whose sum is σ = 135525476352. Its totient is φ = 27135216000.

The previous prime is 65535585799. The next prime is 65535585839. The reversal of 65535585836 is 63858553556.

65535585836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65535585839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458855 + ... + 584481.

It is an arithmetic number, because the mean of its divisors is an integer number (2823447424).

Almost surely, 2^65535585836 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 65535585836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67762738176).

65535585836 is an abundant number, since it is smaller than the sum of its proper divisors (69989890516).

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

65535585836 is a wasteful number, since it uses less digits than its factorization.

65535585836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126270 (or 126268 counting only the distinct ones).

The product of its digits is 64800000, while the sum is 59.

The spelling of 65535585836 in words is "sixty-five billion, five hundred thirty-five million, five hundred eighty-five thousand, eight hundred thirty-six".