512666 has 16 divisors (see below), whose sum is σ = 959040. Its totient is φ = 199680.

The previous prime is 512663. The next prime is 512671. The reversal of 512666 is 666215.

512666 is a modest number, since divided by 666 gives 512 as remainder.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 512666.

It is not an unprimeable number, because it can be changed into a prime (512663) by changing a digit.

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, 1511 + ... + 1818.

It is an arithmetic number, because the mean of its divisors is an integer number (59940).

2⁵¹²⁶⁶⁶ is an apocalyptic number.

512666 is a deficient number, since it is larger than the sum of its proper divisors (446374).

512666 is a wasteful number, since it uses less digits than its factorization.

512666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349.

The product of its digits is 2160, while the sum is 26.

The square root of 512666 is about 716.0069832062. The cubic root of 512666 is about 80.0346724706.

The spelling of 512666 in words is "five hundred twelve thousand, six hundred sixty-six".