6504360016 has 40 divisors (see below), whose sum is σ = 15711833664. Its totient is φ = 2534165760.

The previous prime is 6504360011. The next prime is 6504360019. The reversal of 6504360016 is 6100634056.

It is a self number, because there is not a number n which added to its sum of digits gives 6504360016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6504360011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2638525 + ... + 2640988.

Almost surely, 2^6504360016 is an apocalyptic number.

It is an amenable number.

6504360016 is an abundant number, since it is smaller than the sum of its proper divisors (9207473648).

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

6504360016 is a wasteful number, since it uses less digits than its factorization.

6504360016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279539 (or 5279533 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 6504360016 is about 80649.6126215123. The cubic root of 6504360016 is about 1866.6727622817.

The spelling of 6504360016 in words is "six billion, five hundred four million, three hundred sixty thousand, sixteen".