65804052688 has 20 divisors (see below), whose sum is σ = 139085839008. Its totient is φ = 29910932960.

The previous prime is 65804052683. The next prime is 65804052697. The reversal of 65804052688 is 88625040856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65804052683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186943156 + ... + 186943507.

Almost surely, 2^65804052688 is an apocalyptic number.

It is an amenable number.

65804052688 is an abundant number, since it is smaller than the sum of its proper divisors (73281786320).

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

65804052688 is a wasteful number, since it uses less digits than its factorization.

65804052688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373886682 (or 373886676 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 65804052688 in words is "sixty-five billion, eight hundred four million, fifty-two thousand, six hundred eighty-eight".