6487697216 has 672 divisors, whose sum is σ = 19964351232. Its totient is φ = 2043740160.

The previous prime is 6487697173. The next prime is 6487697243. The reversal of 6487697216 is 6127967846.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 175343150 + ... + 175343186.

It is an arithmetic number, because the mean of its divisors is an integer number (29708856).

Almost surely, 2^6487697216 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 6487697216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9982175616).

6487697216 is an abundant number, since it is smaller than the sum of its proper divisors (13476654016).

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

6487697216 is a wasteful number, since it uses less digits than its factorization.

6487697216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 110 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The square root of 6487697216 is about 80546.2427180809. The cubic root of 6487697216 is about 1865.0773917241.

The spelling of 6487697216 in words is "six billion, four hundred eighty-seven million, six hundred ninety-seven thousand, two hundred sixteen".