616828356 has 72 divisors (see below), whose sum is σ = 1579503744. Its totient is φ = 202953600.

The previous prime is 616828343. The next prime is 616828367. The reversal of 616828356 is 653828616.

616828356 is a `hidden beast` number, since 616 + 8 + 28 + 3 + 5 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1266345 + ... + 1266831.

It is an arithmetic number, because the mean of its divisors is an integer number (21937552).

Almost surely, 2^616828356 is an apocalyptic number.

It is an amenable number.

616828356 is an abundant number, since it is smaller than the sum of its proper divisors (962675388).

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

616828356 is a wasteful number, since it uses less digits than its factorization.

616828356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 876 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 616828356 is about 24836.0293927995. The cubic root of 616828356 is about 851.2453974536.

The spelling of 616828356 in words is "six hundred sixteen million, eight hundred twenty-eight thousand, three hundred fifty-six".