65753816 has 8 divisors (see below), whose sum is σ = 123288420. Its totient is φ = 32876904.

The previous prime is 65753741. The next prime is 65753819. The reversal of 65753816 is 61835756.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65753819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4109606 + ... + 4109621.

Almost surely, 2^65753816 is an apocalyptic number.

It is an amenable number.

65753816 is a deficient number, since it is larger than the sum of its proper divisors (57534604).

65753816 is a wasteful number, since it uses less digits than its factorization.

65753816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219233 (or 8219229 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 65753816 is about 8108.8726713397. The cubic root of 65753816 is about 403.6209070111.

The spelling of 65753816 in words is "sixty-five million, seven hundred fifty-three thousand, eight hundred sixteen".