6485518368 has 288 divisors, whose sum is σ = 23012720640. Its totient is φ = 1755198720.

The previous prime is 6485518367. The next prime is 6485518373. The reversal of 6485518368 is 8638155846.

6485518368 is a `hidden beast` number, since 6 + 4 + 8 + 551 + 83 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6485518367) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1031073 + ... + 1037343.

It is an arithmetic number, because the mean of its divisors is an integer number (79905280).

Almost surely, 2^6485518368 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 6485518368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11506360320).

6485518368 is an abundant number, since it is smaller than the sum of its proper divisors (16527202272).

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

6485518368 is a wasteful number, since it uses less digits than its factorization.

6485518368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322 (or 6302 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The square root of 6485518368 is about 80532.7161345003. The cubic root of 6485518368 is about 1864.8685772548.

The spelling of 6485518368 in words is "six billion, four hundred eighty-five million, five hundred eighteen thousand, three hundred sixty-eight".