65768216 has 8 divisors (see below), whose sum is σ = 123315420. Its totient is φ = 32884104.

The previous prime is 65768179. The next prime is 65768233. The reversal of 65768216 is 61286756.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4110506 + ... + 4110521.

Almost surely, 2^65768216 is an apocalyptic number.

It is an amenable number.

65768216 is a deficient number, since it is larger than the sum of its proper divisors (57547204).

65768216 is a wasteful number, since it uses less digits than its factorization.

65768216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8221033 (or 8221029 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 65768216 is about 8109.7605390048. The cubic root of 65768216 is about 403.6503690113.

The spelling of 65768216 in words is "sixty-five million, seven hundred sixty-eight thousand, two hundred sixteen".