32081716720 has 40 divisors (see below), whose sum is σ = 75534183360. Its totient is φ = 12670245120.

The previous prime is 32081716687. The next prime is 32081716721. The reversal of 32081716720 is 2761718023.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 32081716720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32081716721) 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 7 ways as a sum of consecutive naturals, for example, 2531791 + ... + 2544430.

It is an arithmetic number, because the mean of its divisors is an integer number (1888354584).

Almost surely, 2^32081716720 is an apocalyptic number.

It is an amenable number.

32081716720 is an abundant number, since it is smaller than the sum of its proper divisors (43452466640).

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

32081716720 is a wasteful number, since it uses less digits than its factorization.

32081716720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076313 (or 5076307 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 32081716720 in words is "thirty-two billion, eighty-one million, seven hundred sixteen thousand, seven hundred twenty".