65328427120 has 80 divisors (see below), whose sum is σ = 166622728320. Its totient is φ = 23623020800.

The previous prime is 65328427097. The next prime is 65328427123. The reversal of 65328427120 is 2172482356.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65328427123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49846 + ... + 364885.

It is an arithmetic number, because the mean of its divisors is an integer number (2082784104).

Almost surely, 2^65328427120 is an apocalyptic number.

It is an amenable number.

65328427120 is an abundant number, since it is smaller than the sum of its proper divisors (101294301200).

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

65328427120 is a wasteful number, since it uses less digits than its factorization.

65328427120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414934 (or 414928 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 65328427120 in words is "sixty-five billion, three hundred twenty-eight million, four hundred twenty-seven thousand, one hundred twenty".