65560016 has 20 divisors (see below), whose sum is σ = 127187172. Its totient is φ = 32737536.

The previous prime is 65559997. The next prime is 65560031. The reversal of 65560016 is 61006556.

It can be written as a sum of positive squares in 2 ways, for example, as 17673616 + 47886400 = 4204^2 + 6920^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12806 + ... + 17178.

Almost surely, 2^65560016 is an apocalyptic number.

It is an amenable number.

65560016 is a deficient number, since it is larger than the sum of its proper divisors (61627156).

65560016 is a wasteful number, since it uses less digits than its factorization.

65560016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318 (or 5312 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 65560016 is about 8096.9139800297. The cubic root of 65560016 is about 403.2239784283.

The spelling of 65560016 in words is "sixty-five million, five hundred sixty thousand, sixteen".