255692166 has 8 divisors (see below), whose sum is σ = 511384344. Its totient is φ = 85230720.

The previous prime is 255692161. The next prime is 255692183. The reversal of 255692166 is 661296552.

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

255692166 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255692161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21307675 + ... + 21307686.

It is an arithmetic number, because the mean of its divisors is an integer number (63923043).

Almost surely, 2^255692166 is an apocalyptic number.

255692166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255692166 is a wasteful number, since it uses less digits than its factorization.

255692166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42615366.

The product of its digits is 194400, while the sum is 42.

The square root of 255692166 is about 15990.3772938602. The cubic root of 255692166 is about 634.7058103643.

The spelling of 255692166 in words is "two hundred fifty-five million, six hundred ninety-two thousand, one hundred sixty-six".