6500890368 has 324 divisors, whose sum is σ = 22082926320. Its totient is φ = 1833689088.

The previous prime is 6500890367. The next prime is 6500890379. The reversal of 6500890368 is 8630980056.

6500890368 is a `hidden beast` number, since 6 + 500 + 89 + 0 + 3 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500890367) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10047421 + ... + 10048067.

It is an arithmetic number, because the mean of its divisors is an integer number (68157180).

Almost surely, 2^6500890368 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 6500890368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11041463160).

6500890368 is an abundant number, since it is smaller than the sum of its proper divisors (15582035952).

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

6500890368 is a wasteful number, since it uses less digits than its factorization.

6500890368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 6500890368 is about 80628.0991218322. The cubic root of 6500890368 is about 1866.3407875564.

The spelling of 6500890368 in words is "six billion, five hundred million, eight hundred ninety thousand, three hundred sixty-eight".