diff --git a/euler16.php b/euler16.php
new file mode 100644
index 0000000..a487e10
--- /dev/null
+++ b/euler16.php
@@ -0,0 +1,12 @@
+<?php
+/*
+* Gnieark's anwser to euler problem 16
+* https://projecteuler.net/problem=16
+*/
+
+$digits=str_split(gmp_pow(2,1000));
+$sum=0;
+foreach($digits as $digit){
+  $sum+=$digit;
+}
+echo $sum;
\ No newline at end of file