7216538176 has 56 divisors (see below), whose sum is σ = 14839614720. Its totient is φ = 3477852672.

The previous prime is 7216538171. The next prime is 7216538177. The reversal of 7216538176 is 6718356127.

It is not an unprimeable number, because it can be changed into a prime (7216538171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190385 + ... + 1196431.

It is an arithmetic number, because the mean of its divisors is an integer number (264993120).

Almost surely, 2^7216538176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7216538176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7419807360).

7216538176 is an abundant number, since it is smaller than the sum of its proper divisors (7623076544).

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

7216538176 is a wasteful number, since it uses less digits than its factorization.

7216538176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731 (or 6721 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 7216538176 is about 84950.2099820830. The cubic root of 7216538176 is about 1932.4561047094.

The spelling of 7216538176 in words is "seven billion, two hundred sixteen million, five hundred thirty-eight thousand, one hundred seventy-six".