6504403160 has 64 divisors (see below), whose sum is σ = 15277057920. Its totient is φ = 2489909760.

The previous prime is 6504403159. The next prime is 6504403183. The reversal of 6504403160 is 613044056.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54257 + ... + 126303.

It is an arithmetic number, because the mean of its divisors is an integer number (238704030).

Almost surely, 2^6504403160 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 6504403160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7638528960).

6504403160 is an abundant number, since it is smaller than the sum of its proper divisors (8772654760).

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

6504403160 is a wasteful number, since it uses less digits than its factorization.

6504403160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72156 (or 72152 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 6504403160 is about 80649.8800991049. The cubic root of 6504403160 is about 1866.6768895415.

The spelling of 6504403160 in words is "six billion, five hundred four million, four hundred three thousand, one hundred sixty".