6416971216 has 20 divisors (see below), whose sum is σ = 12643610400. Its totient is φ = 3154104032.

The previous prime is 6416971207. The next prime is 6416971219. The reversal of 6416971216 is 6121796146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6416971219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3397876 + ... + 3399763.

It is an arithmetic number, because the mean of its divisors is an integer number (632180520).

Almost surely, 2^6416971216 is an apocalyptic number.

It is an amenable number.

6416971216 is a deficient number, since it is larger than the sum of its proper divisors (6226639184).

6416971216 is a wasteful number, since it uses less digits than its factorization.

6416971216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6797706 (or 6797700 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 6416971216 is about 80105.9998751654. Note that the first 3 decimals coincide. The cubic root of 6416971216 is about 1858.2751976093.

The spelling of 6416971216 in words is "six billion, four hundred sixteen million, nine hundred seventy-one thousand, two hundred sixteen".