65504175328 has 48 divisors (see below), whose sum is σ = 136572446304. Its totient is φ = 30819819520.

The previous prime is 65504175239. The next prime is 65504175371. The reversal of 65504175328 is 82357140556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5173101 + ... + 5185747.

It is an arithmetic number, because the mean of its divisors is an integer number (2845259298).

Almost surely, 2^65504175328 is an apocalyptic number.

65504175328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

65504175328 is an abundant number, since it is smaller than the sum of its proper divisors (71068270976).

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

65504175328 is a wasteful number, since it uses less digits than its factorization.

65504175328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22195 (or 22187 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 65504175328 in words is "sixty-five billion, five hundred four million, one hundred seventy-five thousand, three hundred twenty-eight".