65516916 has 48 divisors (see below), whose sum is σ = 160372800. Its totient is φ = 20788992.

The previous prime is 65516911. The next prime is 65516951. The reversal of 65516916 is 61961556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65516911) 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 15 ways as a sum of consecutive naturals, for example, 24115 + ... + 26693.

It is an arithmetic number, because the mean of its divisors is an integer number (3341100).

Almost surely, 2^65516916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65516916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80186400).

65516916 is an abundant number, since it is smaller than the sum of its proper divisors (94855884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65516916 is a wasteful number, since it uses less digits than its factorization.

65516916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2686 counting only the distinct ones).

The product of its digits is 48600, while the sum is 39.

The square root of 65516916 is about 8094.2520346231. The cubic root of 65516916 is about 403.1355975100.

It can be divided in two parts, 655 and 16916, that added together give a palindrome (17571).

The spelling of 65516916 in words is "sixty-five million, five hundred sixteen thousand, nine hundred sixteen".