616109 has 8 divisors (see below), whose sum is σ = 672672. Its totient is φ = 560880.

The previous prime is 616103. The next prime is 616111. The reversal of 616109 is 901616.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616109 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 794 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (84084).

2⁶¹⁶¹⁰⁹ is an apocalyptic number.

It is an amenable number.

616109 is a deficient number, since it is larger than the sum of its proper divisors (56563).

616109 is a wasteful number, since it uses less digits than its factorization.

616109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 616109 is about 784.9261111723. The cubic root of 616109 is about 85.0914356316.

The spelling of 616109 in words is "six hundred sixteen thousand, one hundred nine".