6566830 has 8 divisors (see below), whose sum is σ = 11820312. Its totient is φ = 2626728.

The previous prime is 6566827. The next prime is 6566849. The reversal of 6566830 is 386656.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328332 + ... + 328351.

It is an arithmetic number, because the mean of its divisors is an integer number (1477539).

Almost surely, 2^6566830 is an apocalyptic number.

6566830 is a deficient number, since it is larger than the sum of its proper divisors (5253482).

6566830 is a wasteful number, since it uses less digits than its factorization.

6566830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656690.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6566830 is about 2562.5826815929. The cubic root of 6566830 is about 187.2629775385.

It can be divided in two parts, 6566 and 830, that added together give a square (7396 = 86²).

The spelling of 6566830 in words is "six million, five hundred sixty-six thousand, eight hundred thirty".