65718016 has 162 divisors, whose sum is σ = 170567712. Its totient is φ = 25159680.

The previous prime is 65718001. The next prime is 65718041. The reversal of 65718016 is 61081756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2119921 + ... + 2119951.

Almost surely, 2^65718016 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 65718016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85283856).

65718016 is an abundant number, since it is smaller than the sum of its proper divisors (104849696).

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

65718016 is a wasteful number, since it uses less digits than its factorization.

65718016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 65718016 is about 8106.6649122805. The cubic root of 65718016 is about 403.5476425602.

The spelling of 65718016 in words is "sixty-five million, seven hundred eighteen thousand, sixteen".