6505566168 has 32 divisors (see below), whose sum is σ = 16280386560. Its totient is φ = 2166325920.

The previous prime is 6505566167. The next prime is 6505566233. The reversal of 6505566168 is 8616655056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505566167) 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, 112980 + ... + 160547.

It is an arithmetic number, because the mean of its divisors is an integer number (508762080).

Almost surely, 2^6505566168 is an apocalyptic number.

It is an amenable number.

6505566168 is an abundant number, since it is smaller than the sum of its proper divisors (9774820392).

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

6505566168 is a wasteful number, since it uses less digits than its factorization.

6505566168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274527 (or 274523 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The square root of 6505566168 is about 80657.0900045371. The cubic root of 6505566168 is about 1866.7881388355.

The spelling of 6505566168 in words is "six billion, five hundred five million, five hundred sixty-six thousand, one hundred sixty-eight".