255546066 has 8 divisors (see below), whose sum is σ = 511092144. Its totient is φ = 85182020.

The previous prime is 255546061. The next prime is 255546131. The reversal of 255546066 is 660645552.

It is a happy number.

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

255546066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (255546061) 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, 21295500 + ... + 21295511.

It is an arithmetic number, because the mean of its divisors is an integer number (63886518).

Almost surely, 2^255546066 is an apocalyptic number.

255546066 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.

255546066 is a wasteful number, since it uses less digits than its factorization.

255546066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42591016.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 255546066 is about 15985.8082685862. The cubic root of 255546066 is about 634.5848991038.

The spelling of 255546066 in words is "two hundred fifty-five million, five hundred forty-six thousand, sixty-six".