6566706 has 24 divisors (see below), whose sum is σ = 14378364. Its totient is φ = 2165760.

The previous prime is 6566701. The next prime is 6566713. The reversal of 6566706 is 6076656.

It can be written as a sum of positive squares in 2 ways, for example, as 6548481 + 18225 = 2559^2 + 135^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (6566701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135 + ... + 3626.

Almost surely, 2^6566706 is an apocalyptic number.

6566706 is an abundant number, since it is smaller than the sum of its proper divisors (7811658).

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

6566706 is a wasteful number, since it uses less digits than its factorization.

6566706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866 (or 3863 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 6566706 is about 2562.5584871374. The cubic root of 6566706 is about 187.2617988493.

Adding to 6566706 its product of nonzero digits (45360), we get a triangular number (6612066 = T₃₆₃₆).

The spelling of 6566706 in words is "six million, five hundred sixty-six thousand, seven hundred six".