616516323 has 4 divisors (see below), whose sum is σ = 822021768. Its totient is φ = 411010880.

The previous prime is 616516321. The next prime is 616516363. The reversal of 616516323 is 323615616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616516323 - 2¹ = 616516321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616516321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 102752718 + ... + 102752723.

It is an arithmetic number, because the mean of its divisors is an integer number (205505442).

Almost surely, 2^616516323 is an apocalyptic number.

616516323 is a deficient number, since it is larger than the sum of its proper divisors (205505445).

616516323 is a wasteful number, since it uses less digits than its factorization.

616516323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205505444.

The product of its digits is 19440, while the sum is 33.

The square root of 616516323 is about 24829.7467365255. The cubic root of 616516323 is about 851.1018343083.

The spelling of 616516323 in words is "six hundred sixteen million, five hundred sixteen thousand, three hundred twenty-three".