65943816316 has 12 divisors (see below), whose sum is σ = 131887632688. Its totient is φ = 28261635552.

The previous prime is 65943816307. The next prime is 65943816331. The reversal of 65943816316 is 61361834956.

65943816316 is an admirable number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1177568121 + ... + 1177568176.

Almost surely, 2^65943816316 is an apocalyptic number.

It is an amenable number.

65943816316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65943816316 is a wasteful number, since it uses less digits than its factorization.

65943816316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355136308 (or 2355136306 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The spelling of 65943816316 in words is "sixty-five billion, nine hundred forty-three million, eight hundred sixteen thousand, three hundred sixteen".