255211616 has 48 divisors (see below), whose sum is σ = 580381200. Its totient is φ = 109178880.

The previous prime is 255211603. The next prime is 255211631. The reversal of 255211616 is 616112552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15341 + ... + 27308.

It is an arithmetic number, because the mean of its divisors is an integer number (12091275).

Almost surely, 2^255211616 is an apocalyptic number.

It is an amenable number.

255211616 is an abundant number, since it is smaller than the sum of its proper divisors (325169584).

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

255211616 is a wasteful number, since it uses less digits than its factorization.

255211616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42687 (or 42679 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 255211616 is about 15975.3440025559. The cubic root of 255211616 is about 634.3079371980.

The spelling of 255211616 in words is "two hundred fifty-five million, two hundred eleven thousand, six hundred sixteen".