6805666296 has 144 divisors (see below), whose sum is σ = 21818804280. Its totient is φ = 1903651200.

The previous prime is 6805666277. The next prime is 6805666319. The reversal of 6805666296 is 6926665086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 83211 + ... + 143301.

Almost surely, 2^6805666296 is an apocalyptic number.

6805666296 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 6805666296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10909402140).

6805666296 is an abundant number, since it is smaller than the sum of its proper divisors (15013137984).

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

6805666296 is a wasteful number, since it uses less digits than its factorization.

6805666296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60138 (or 60120 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The square root of 6805666296 is about 82496.4623241506. The cubic root of 6805666296 is about 1895.0625539834.

The spelling of 6805666296 in words is "six billion, eight hundred five million, six hundred sixty-six thousand, two hundred ninety-six".