616869313 has 8 divisors (see below), whose sum is σ = 645361920. Its totient is φ = 589017120.

The previous prime is 616869311. The next prime is 616869329. The reversal of 616869313 is 313968616.

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

It is a cyclic number.

It is not a de Polignac number, because 616869313 - 2¹ = 616869311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 616869313.

It is not an unprimeable number, because it can be changed into a prime (616869311) 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 7 ways as a sum of consecutive naturals, for example, 158133 + ... + 161986.

It is an arithmetic number, because the mean of its divisors is an integer number (80670240).

Almost surely, 2^616869313 is an apocalyptic number.

It is an amenable number.

616869313 is a deficient number, since it is larger than the sum of its proper divisors (28492607).

616869313 is a wasteful number, since it uses less digits than its factorization.

616869313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320207.

The product of its digits is 139968, while the sum is 43.

The square root of 616869313 is about 24836.8539271785. The cubic root of 616869313 is about 851.2642377494.

The spelling of 616869313 in words is "six hundred sixteen million, eight hundred sixty-nine thousand, three hundred thirteen".