65516130 has 48 divisors (see below), whose sum is σ = 180366264. Its totient is φ = 16442880.

The previous prime is 65516117. The next prime is 65516141. The reversal of 65516130 is 3161556.

It is a happy number.

65516130 is a `hidden beast` number, since 655 + 1 + 6 + 1 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 44475561 + 21040569 = 6669^2 + 4587^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65516094 and 65516103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19881 + ... + 22940.

Almost surely, 2^65516130 is an apocalyptic number.

65516130 is an abundant number, since it is smaller than the sum of its proper divisors (114850134).

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

65516130 is a wasteful number, since it uses less digits than its factorization.

65516130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42851 (or 42848 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 65516130 is about 8094.2034815045. The cubic root of 65516130 is about 403.1339853775.

Adding to 65516130 its reverse (3161556), we get a palindrome (68677686).

The spelling of 65516130 in words is "sixty-five million, five hundred sixteen thousand, one hundred thirty".