6566798 has 16 divisors (see below), whose sum is σ = 11319264. Its totient is φ = 2798880.

The previous prime is 6566783. The next prime is 6566809. The reversal of 6566798 is 8976656.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568 + ... + 3948.

It is an arithmetic number, because the mean of its divisors is an integer number (707454).

Almost surely, 2^6566798 is an apocalyptic number.

6566798 is a deficient number, since it is larger than the sum of its proper divisors (4752466).

6566798 is a wasteful number, since it uses less digits than its factorization.

6566798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587.

The product of its digits is 544320, while the sum is 47.

The square root of 6566798 is about 2562.5764378843. The cubic root of 6566798 is about 187.2626733621.

The spelling of 6566798 in words is "six million, five hundred sixty-six thousand, seven hundred ninety-eight".