65708216 has 24 divisors (see below), whose sum is σ = 143318520. Its totient is φ = 28160496.

The previous prime is 65708207. The next prime is 65708221. The reversal of 65708216 is 61280756.

65708216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 83420 + ... + 84203.

It is an arithmetic number, because the mean of its divisors is an integer number (5971605).

Almost surely, 2^65708216 is an apocalyptic number.

It is an amenable number.

65708216 is an abundant number, since it is smaller than the sum of its proper divisors (77610304).

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

65708216 is a wasteful number, since it uses less digits than its factorization.

65708216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167643 (or 167632 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 65708216 is about 8106.0604488247. The cubic root of 65708216 is about 403.5275822899.

The spelling of 65708216 in words is "sixty-five million, seven hundred eight thousand, two hundred sixteen".