255666006 has 24 divisors (see below), whose sum is σ = 563026464. Its totient is φ = 83824560.

The previous prime is 255665983. The next prime is 255666013. The reversal of 255666006 is 600666552.

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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115326 + ... + 117521.

It is an arithmetic number, because the mean of its divisors is an integer number (23459436).

Almost surely, 2^255666006 is an apocalyptic number.

255666006 is an abundant number, since it is smaller than the sum of its proper divisors (307360458).

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

255666006 is a wasteful number, since it uses less digits than its factorization.

255666006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232916 (or 232913 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 255666006 is about 15989.5592809808. The cubic root of 255666006 is about 634.6841639309.

The spelling of 255666006 in words is "two hundred fifty-five million, six hundred sixty-six thousand, six".