6782306566 has 8 divisors (see below), whose sum is σ = 11626811280. Its totient is φ = 2906702808.

The previous prime is 6782306561. The next prime is 6782306579. The reversal of 6782306566 is 6656032876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6782306561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242225221 + ... + 242225248.

It is an arithmetic number, because the mean of its divisors is an integer number (1453351410).

Almost surely, 2^6782306566 is an apocalyptic number.

6782306566 is a deficient number, since it is larger than the sum of its proper divisors (4844504714).

6782306566 is a wasteful number, since it uses less digits than its factorization.

6782306566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484450478.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 6782306566 is about 82354.7604331407. The cubic root of 6782306566 is about 1892.8918679182.

The spelling of 6782306566 in words is "six billion, seven hundred eighty-two million, three hundred six thousand, five hundred sixty-six".