6560066 has 4 divisors (see below), whose sum is σ = 9840102. Its totient is φ = 3280032.

The previous prime is 6560053. The next prime is 6560069. The reversal of 6560066 is 6600656.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6528025 + 32041 = 2555^2 + 179^2 .

It is not an unprimeable number, because it can be changed into a prime (6560069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640015 + ... + 1640018.

Almost surely, 2^6560066 is an apocalyptic number.

6560066 is a deficient number, since it is larger than the sum of its proper divisors (3280036).

6560066 is a wasteful number, since it uses less digits than its factorization.

6560066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280035.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 6560066 is about 2561.2625792761. The cubic root of 6560066 is about 187.1986602590.

The spelling of 6560066 in words is "six million, five hundred sixty thousand, sixty-six".