616116831 has 8 divisors (see below), whose sum is σ = 896169984. Its totient is φ = 373404120.

The previous prime is 616116773. The next prime is 616116833. The reversal of 616116831 is 138611616.

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

It is not a de Polignac number, because 616116831 - 2¹⁰ = 616115807 is a prime.

It is a super-2 number, since 2×616116831² = 759199898882965122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 18670207 = 616116831 / (6 + 1 + 6 + 1 + 1 + 6 + 8 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 616116792 and 616116801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616116833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9335071 + ... + 9335136.

It is an arithmetic number, because the mean of its divisors is an integer number (112021248).

Almost surely, 2^616116831 is an apocalyptic number.

616116831 is a deficient number, since it is larger than the sum of its proper divisors (280053153).

616116831 is a wasteful number, since it uses less digits than its factorization.

616116831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18670221.

The product of its digits is 5184, while the sum is 33.

The square root of 616116831 is about 24821.7008079624. The cubic root of 616116831 is about 850.9179614582.

The spelling of 616116831 in words is "six hundred sixteen million, one hundred sixteen thousand, eight hundred thirty-one".