65516 has 12 divisors (see below), whose sum is σ = 125160. Its totient is φ = 29760.

The previous prime is 65497. The next prime is 65519. The reversal of 65516 is 61556.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 65491 and 65500.

It is not an unprimeable number, because it can be changed into a prime (65519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701 + ... + 788.

It is an arithmetic number, because the mean of its divisors is an integer number (10430).

2⁶⁵⁵¹⁶ is an apocalyptic number.

It is an amenable number.

65516 is a deficient number, since it is larger than the sum of its proper divisors (59644).

65516 is a wasteful number, since it uses less digits than its factorization.

65516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1502 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 65516 is about 255.9609345193. The cubic root of 65516 is about 40.3133718739.

The spelling of 65516 in words is "sixty-five thousand, five hundred sixteen".