65808416 has 24 divisors (see below), whose sum is σ = 129793104. Its totient is φ = 32845120.

The previous prime is 65808401. The next prime is 65808461. The reversal of 65808416 is 61480856.

It is a self number, because there is not a number n which added to its sum of digits gives 65808416.

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, 20351 + ... + 23361.

It is an arithmetic number, because the mean of its divisors is an integer number (5408046).

Almost surely, 2^65808416 is an apocalyptic number.

It is an amenable number.

65808416 is a deficient number, since it is larger than the sum of its proper divisors (63984688).

65808416 is a wasteful number, since it uses less digits than its factorization.

65808416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704 (or 3696 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 65808416 is about 8112.2386552665. The cubic root of 65808416 is about 403.7325943415.

The spelling of 65808416 in words is "sixty-five million, eight hundred eight thousand, four hundred sixteen".