255571670 has 16 divisors (see below), whose sum is σ = 460485648. Its totient is φ = 102127200.

The previous prime is 255571669. The next prime is 255571697. The reversal of 255571670 is 76175552.

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649 + ... + 22668.

It is an arithmetic number, because the mean of its divisors is an integer number (28780353).

Almost surely, 2^255571670 is an apocalyptic number.

255571670 is a deficient number, since it is larger than the sum of its proper divisors (204913978).

255571670 is a wasteful number, since it uses less digits than its factorization.

255571670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25375.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 255571670 is about 15986.6090838552. The cubic root of 255571670 is about 634.6060921113.

The spelling of 255571670 in words is "two hundred fifty-five million, five hundred seventy-one thousand, six hundred seventy".