255166011 has 16 divisors (see below), whose sum is σ = 378314400. Its totient is φ = 169979904.

The previous prime is 255165941. The next prime is 255166031. The reversal of 255166011 is 110661552.

It is a happy number.

255166011 is a `hidden beast` number, since 2 + 5 + 51 + 6 + 601 + 1 = 666.

It is not a de Polignac number, because 255166011 - 2¹⁵ = 255133243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (255166031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43035 + ... + 48603.

It is an arithmetic number, because the mean of its divisors is an integer number (23644650).

Almost surely, 2^255166011 is an apocalyptic number.

255166011 is a deficient number, since it is larger than the sum of its proper divisors (123148389).

255166011 is a wasteful number, since it uses less digits than its factorization.

255166011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275 (or 7269 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 255166011 is about 15973.9165829799. The cubic root of 255166011 is about 634.2701524279.

The spelling of 255166011 in words is "two hundred fifty-five million, one hundred sixty-six thousand, eleven".