6971216472 has 192 divisors, whose sum is σ = 21265040160. Its totient is φ = 2044569600.

The previous prime is 6971216407. The next prime is 6971216479. The reversal of 6971216472 is 2746121796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6971216479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6827322 + ... + 6828342.

Almost surely, 2^6971216472 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 6971216472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10632520080).

6971216472 is an abundant number, since it is smaller than the sum of its proper divisors (14293823688).

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

6971216472 is a wasteful number, since it uses less digits than its factorization.

6971216472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1307 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 6971216472 is about 83493.8109802158. The cubic root of 6971216472 is about 1910.3056327700.

The spelling of 6971216472 in words is "six billion, nine hundred seventy-one million, two hundred sixteen thousand, four hundred seventy-two".