616321255 has 8 divisors (see below), whose sum is σ = 806820624. Its totient is φ = 448233600.

The previous prime is 616321249. The next prime is 616321267. The reversal of 616321255 is 552123616.

616321255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 616321255 - 2⁷ = 616321127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5602866 + ... + 5602975.

It is an arithmetic number, because the mean of its divisors is an integer number (100852578).

Almost surely, 2^616321255 is an apocalyptic number.

616321255 is a deficient number, since it is larger than the sum of its proper divisors (190499369).

616321255 is a wasteful number, since it uses less digits than its factorization.

616321255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11205857.

The product of its digits is 10800, while the sum is 31.

The square root of 616321255 is about 24825.8183148109. The cubic root of 616321255 is about 851.0120609373.

The spelling of 616321255 in words is "six hundred sixteen million, three hundred twenty-one thousand, two hundred fifty-five".