65516112 has 30 divisors (see below), whose sum is σ = 183354522. Its totient is φ = 21838656.

The previous prime is 65516111. The next prime is 65516117. The reversal of 65516112 is 21161556.

It is a happy number.

65516112 is a `hidden beast` number, since 655 + 1 + 6 + 1 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45481536 + 20034576 = 6744^2 + 4476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65516111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227343 + ... + 227630.

Almost surely, 2^65516112 is an apocalyptic number.

It is an amenable number.

65516112 is an abundant number, since it is smaller than the sum of its proper divisors (117838410).

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

65516112 is a wasteful number, since it uses less digits than its factorization.

65516112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454987 (or 454978 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 65516112 is about 8094.2023695976. The cubic root of 65516112 is about 403.1339484583.

Adding to 65516112 its reverse (21161556), we get a palindrome (86677668).

The spelling of 65516112 in words is "sixty-five million, five hundred sixteen thousand, one hundred twelve".