6505820160 has 312 divisors, whose sum is σ = 24225832656. Its totient is φ = 1486356480.

The previous prime is 6505820081. The next prime is 6505820171. The reversal of 6505820160 is 610285056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3009480 + ... + 3011640.

Almost surely, 2^6505820160 is an apocalyptic number.

6505820160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6505820160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12112916328).

6505820160 is an abundant number, since it is smaller than the sum of its proper divisors (17720012496).

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

6505820160 is a wasteful number, since it uses less digits than its factorization.

6505820160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 6505820160 is about 80658.6645066728. The cubic root of 6505820160 is about 1866.8124330614.

The spelling of 6505820160 in words is "six billion, five hundred five million, eight hundred twenty thousand, one hundred sixty".