65992803388 has 6 divisors (see below), whose sum is σ = 115487405936. Its totient is φ = 32996401692.

The previous prime is 65992803307. The next prime is 65992803389. The reversal of 65992803388 is 88330829956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65992803389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8249100420 + ... + 8249100427.

Almost surely, 2^65992803388 is an apocalyptic number.

It is an amenable number.

65992803388 is a deficient number, since it is larger than the sum of its proper divisors (49494602548).

65992803388 is a wasteful number, since it uses less digits than its factorization.

65992803388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16498200851 (or 16498200849 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 65992803388 in words is "sixty-five billion, nine hundred ninety-two million, eight hundred three thousand, three hundred eighty-eight".