5645244161328 has 40 divisors (see below), whose sum is σ = 14584307430000. Its totient is φ = 1881649987584.

The previous prime is 5645244161321. The next prime is 5645244161353. The reversal of 5645244161328 is 8231614425465.

It is not an unprimeable number, because it can be changed into a prime (5645244161321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2130993 + ... + 3978896.

It is an arithmetic number, because the mean of its divisors is an integer number (364607685750).

Almost surely, 2^{5645244161328} is an apocalyptic number.

It is an amenable number.

5645244161328 is an abundant number, since it is smaller than the sum of its proper divisors (8939063268672).

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

5645244161328 is a wasteful number, since it uses less digits than its factorization.

5645244161328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129149 (or 6129143 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 51.

The spelling of 5645244161328 in words is "five trillion, six hundred forty-five billion, two hundred forty-four million, one hundred sixty-one thousand, three hundred twenty-eight".