65488873632 has 144 divisors (see below), whose sum is σ = 212742331200. Its totient is φ = 17271760896.

The previous prime is 65488873607. The next prime is 65488873651. The reversal of 65488873632 is 23637888456.

It is a happy 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 23 ways as a sum of consecutive naturals, for example, 174757 + ... + 401892.

It is an arithmetic number, because the mean of its divisors is an integer number (1477377300).

Almost surely, 2^65488873632 is an apocalyptic number.

It is an amenable number.

65488873632 is an abundant number, since it is smaller than the sum of its proper divisors (147253457568).

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

65488873632 is a wasteful number, since it uses less digits than its factorization.

65488873632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576695 (or 576674 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 60.

The spelling of 65488873632 in words is "sixty-five billion, four hundred eighty-eight million, eight hundred seventy-three thousand, six hundred thirty-two".