255040166 has 8 divisors (see below), whose sum is σ = 383912904. Its totient is φ = 127069200.

The previous prime is 255040157. The next prime is 255040217. The reversal of 255040166 is 661040552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224735 + ... + 225866.

It is an arithmetic number, because the mean of its divisors is an integer number (47989113).

Almost surely, 2^255040166 is an apocalyptic number.

255040166 is a deficient number, since it is larger than the sum of its proper divisors (128872738).

255040166 is a wasteful number, since it uses less digits than its factorization.

255040166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450886.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 255040166 is about 15969.9770193949. The cubic root of 255040166 is about 634.1658636517.

The spelling of 255040166 in words is "two hundred fifty-five million, forty thousand, one hundred sixty-six".