65328664488 has 64 divisors (see below), whose sum is σ = 165406987200. Its totient is φ = 21499914240.

The previous prime is 65328664487. The next prime is 65328664507. The reversal of 65328664488 is 88446682356.

It is not an unprimeable number, because it can be changed into a prime (65328664487) 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, 549720 + ... + 657912.

It is an arithmetic number, because the mean of its divisors is an integer number (2584484175).

Almost surely, 2^65328664488 is an apocalyptic number.

It is an amenable number.

65328664488 is an abundant number, since it is smaller than the sum of its proper divisors (100078322712).

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

65328664488 is a wasteful number, since it uses less digits than its factorization.

65328664488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108522 (or 108518 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 60.

The spelling of 65328664488 in words is "sixty-five billion, three hundred twenty-eight million, six hundred sixty-four thousand, four hundred eighty-eight".