65382412128 has 48 divisors (see below), whose sum is σ = 187231455936. Its totient is φ = 19812851840.

The previous prime is 65382412127. The next prime is 65382412169. The reversal of 65382412128 is 82121428356.

65382412128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 65382412128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65382412127) 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, 30956526 + ... + 30958637.

It is an arithmetic number, because the mean of its divisors is an integer number (3900655332).

Almost surely, 2^65382412128 is an apocalyptic number.

It is an amenable number.

65382412128 is an abundant number, since it is smaller than the sum of its proper divisors (121849043808).

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

65382412128 is a wasteful number, since it uses less digits than its factorization.

65382412128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61915187 (or 61915179 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The spelling of 65382412128 in words is "sixty-five billion, three hundred eighty-two million, four hundred twelve thousand, one hundred twenty-eight".