616256320 has 28 divisors (see below), whose sum is σ = 1467461124. Its totient is φ = 246502400.

The previous prime is 616256287. The next prime is 616256321. The reversal of 616256320 is 23652616.

It can be written as a sum of positive squares in 2 ways, for example, as 267911424 + 348344896 = 16368^2 + 18664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616256321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 962581 + ... + 963220.

Almost surely, 2^616256320 is an apocalyptic number.

It is an amenable number.

616256320 is an abundant number, since it is smaller than the sum of its proper divisors (851204804).

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

616256320 is a wasteful number, since it uses less digits than its factorization.

616256320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925818 (or 1925808 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 616256320 is about 24824.5104684866. The cubic root of 616256320 is about 850.9821726236.

The spelling of 616256320 in words is "six hundred sixteen million, two hundred fifty-six thousand, three hundred twenty".