6466820260 has 24 divisors (see below), whose sum is σ = 13581912960. Its totient is φ = 2586425184.

The previous prime is 6466820249. The next prime is 6466820263. The reversal of 6466820260 is 620286646.

It is not an unprimeable number, because it can be changed into a prime (6466820263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247711 + ... + 272569.

It is an arithmetic number, because the mean of its divisors is an integer number (565913040).

Almost surely, 2^6466820260 is an apocalyptic number.

It is an amenable number.

6466820260 is an abundant number, since it is smaller than the sum of its proper divisors (7115092700).

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

6466820260 is a wasteful number, since it uses less digits than its factorization.

6466820260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37875 (or 37873 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 6466820260 is about 80416.5422037033. The cubic root of 6466820260 is about 1863.0746791110.

The spelling of 6466820260 in words is "six billion, four hundred sixty-six million, eight hundred twenty thousand, two hundred sixty".