6512243320 has 64 divisors (see below), whose sum is σ = 16051737600. Its totient is φ = 2358142080.

The previous prime is 6512243273. The next prime is 6512243321. The reversal of 6512243320 is 233422156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6512243321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74197 + ... + 136123.

It is an arithmetic number, because the mean of its divisors is an integer number (250808400).

Almost surely, 2^6512243320 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 6512243320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8025868800).

6512243320 is an abundant number, since it is smaller than the sum of its proper divisors (9539494280).

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

6512243320 is a wasteful number, since it uses less digits than its factorization.

6512243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62188 (or 62184 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 6512243320 is about 80698.4716088229. The cubic root of 6512243320 is about 1867.4265954910.

Adding to 6512243320 its reverse (233422156), we get a palindrome (6745665476).

The spelling of 6512243320 in words is "six billion, five hundred twelve million, two hundred forty-three thousand, three hundred twenty".