255860163 has 12 divisors (see below), whose sum is σ = 398004880. Its totient is φ = 157452336.

The previous prime is 255860159. The next prime is 255860201. The reversal of 255860163 is 361068552.

It is not a de Polignac number, because 255860163 - 2² = 255860159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255860063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1093303 + ... + 1093536.

Almost surely, 2^255860163 is an apocalyptic number.

255860163 is a deficient number, since it is larger than the sum of its proper divisors (142144717).

255860163 is a wasteful number, since it uses less digits than its factorization.

255860163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186858 (or 2186855 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 255860163 is about 15995.6294968344. The cubic root of 255860163 is about 634.8447865005.

The spelling of 255860163 in words is "two hundred fifty-five million, eight hundred sixty thousand, one hundred sixty-three".