616255255 has 16 divisors (see below), whose sum is σ = 921982464. Its totient is φ = 384158880.

The previous prime is 616255247. The next prime is 616255271. The reversal of 616255255 is 552552616.

It is not a de Polignac number, because 616255255 - 2³ = 616255247 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 799947 + ... + 800716.

It is an arithmetic number, because the mean of its divisors is an integer number (57623904).

Almost surely, 2^616255255 is an apocalyptic number.

616255255 is a deficient number, since it is larger than the sum of its proper divisors (305727209).

616255255 is a wasteful number, since it uses less digits than its factorization.

616255255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600686.

The product of its digits is 90000, while the sum is 37.

The square root of 616255255 is about 24824.4890179033. The cubic root of 616255255 is about 850.9816824074.

It can be divided in two parts, 6 and 16255255, that added together give a palindrome (16255261).

The spelling of 616255255 in words is "six hundred sixteen million, two hundred fifty-five thousand, two hundred fifty-five".