6466794936 has 128 divisors (see below), whose sum is σ = 18958302720. Its totient is φ = 1800105984.

The previous prime is 6466794911. The next prime is 6466794937. The reversal of 6466794936 is 6394976646.

It is a self number, because there is not a number n which added to its sum of digits gives 6466794936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466794937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1014736 + ... + 1021088.

It is an arithmetic number, because the mean of its divisors is an integer number (148111740).

Almost surely, 2^6466794936 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 6466794936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9479151360).

6466794936 is an abundant number, since it is smaller than the sum of its proper divisors (12491507784).

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

6466794936 is a wasteful number, since it uses less digits than its factorization.

6466794936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525 (or 6521 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 60.

The square root of 6466794936 is about 80416.3847483832. The cubic root of 6466794936 is about 1863.0722471809.

The spelling of 6466794936 in words is "six billion, four hundred sixty-six million, seven hundred ninety-four thousand, nine hundred thirty-six".