72216741184 has 28 divisors (see below), whose sum is σ = 163777253344. Its totient is φ = 30950031744.

The previous prime is 72216741133. The next prime is 72216741193. The reversal of 72216741184 is 48114761227.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 72216741184.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80598594 + ... + 80599489.

Almost surely, 2^72216741184 is an apocalyptic number.

It is an amenable number.

72216741184 is an abundant number, since it is smaller than the sum of its proper divisors (91560512160).

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

72216741184 is a wasteful number, since it uses less digits than its factorization.

72216741184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161198102 (or 161198092 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The spelling of 72216741184 in words is "seventy-two billion, two hundred sixteen million, seven hundred forty-one thousand, one hundred eighty-four".