255938066 has 32 divisors (see below), whose sum is σ = 410116608. Its totient is φ = 119528640.

The previous prime is 255938063. The next prime is 255938071. The reversal of 255938066 is 660839552.

It is a happy number.

255938066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (255938063) 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, 552551 + ... + 553013.

It is an arithmetic number, because the mean of its divisors is an integer number (12816144).

Almost surely, 2^255938066 is an apocalyptic number.

255938066 is a deficient number, since it is larger than the sum of its proper divisors (154178542).

255938066 is a wasteful number, since it uses less digits than its factorization.

255938066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 255938066 is about 15998.0644454259. The cubic root of 255938066 is about 634.9092113986.

The spelling of 255938066 in words is "two hundred fifty-five million, nine hundred thirty-eight thousand, sixty-six".