6506655276 has 96 divisors (see below), whose sum is σ = 18010847232. Its totient is φ = 1805552640.

The previous prime is 6506655263. The next prime is 6506655307. The reversal of 6506655276 is 6725566056.

It is an unprimeable number.

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, 43845 + ... + 122211.

It is an arithmetic number, because the mean of its divisors is an integer number (187612992).

Almost surely, 2^6506655276 is an apocalyptic number.

6506655276 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6506655276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9005423616).

6506655276 is an abundant number, since it is smaller than the sum of its proper divisors (11504191956).

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

6506655276 is a wasteful number, since it uses less digits than its factorization.

6506655276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78439 (or 78437 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 48.

The square root of 6506655276 is about 80663.8411929410. The cubic root of 6506655276 is about 1866.8923070917.

The spelling of 6506655276 in words is "six billion, five hundred six million, six hundred fifty-five thousand, two hundred seventy-six".