255408165 has 24 divisors (see below), whose sum is σ = 466009440. Its totient is φ = 129047904.

The previous prime is 255408149. The next prime is 255408233. The reversal of 255408165 is 561804552.

255408165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255408165 - 2⁴ = 255408149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148507 + ... + 150216.

It is an arithmetic number, because the mean of its divisors is an integer number (19417060).

Almost surely, 2^255408165 is an apocalyptic number.

It is an amenable number.

255408165 is a deficient number, since it is larger than the sum of its proper divisors (210601275).

255408165 is a wasteful number, since it uses less digits than its factorization.

255408165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298753 (or 298750 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 255408165 is about 15981.4944545246. The cubic root of 255408165 is about 634.4707309888.

The spelling of 255408165 in words is "two hundred fifty-five million, four hundred eight thousand, one hundred sixty-five".