255153566 has 16 divisors (see below), whose sum is σ = 387698400. Its totient is φ = 125925888.

The previous prime is 255153523. The next prime is 255153599. The reversal of 255153566 is 665351552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164591 + ... + 166133.

It is an arithmetic number, because the mean of its divisors is an integer number (24231150).

Almost surely, 2^255153566 is an apocalyptic number.

255153566 is a deficient number, since it is larger than the sum of its proper divisors (132544834).

255153566 is a wasteful number, since it uses less digits than its factorization.

255153566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563.

The product of its digits is 135000, while the sum is 38.

The square root of 255153566 is about 15973.5270369446. The cubic root of 255153566 is about 634.2598406830.

The spelling of 255153566 in words is "two hundred fifty-five million, one hundred fifty-three thousand, five hundred sixty-six".