616816713 has 8 divisors (see below), whose sum is σ = 823238208. Its totient is φ = 410803184.

The previous prime is 616816709. The next prime is 616816723. The reversal of 616816713 is 317618616.

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 616816713 - 2² = 616816709 is a prime.

It is a super-2 number, since 2×616816713² = 760925714872248738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (616816723) 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, 98445 + ... + 104522.

It is an arithmetic number, because the mean of its divisors is an integer number (102904776).

Almost surely, 2^616816713 is an apocalyptic number.

It is an amenable number.

616816713 is a deficient number, since it is larger than the sum of its proper divisors (206421495).

616816713 is a wasteful number, since it uses less digits than its factorization.

616816713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203983.

The product of its digits is 36288, while the sum is 39.

The square root of 616816713 is about 24835.7949943222. The cubic root of 616816713 is about 851.2400414998.

The spelling of 616816713 in words is "six hundred sixteen million, eight hundred sixteen thousand, seven hundred thirteen".