65984868411 has 96 divisors (see below), whose sum is σ = 112956555264. Its totient is φ = 33530112000.

The previous prime is 65984868361. The next prime is 65984868413. The reversal of 65984868411 is 11486848956.

It is a happy number.

It is not a de Polignac number, because 65984868411 - 2¹⁰ = 65984867387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65984868413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23556211 + ... + 23559011.

It is an arithmetic number, because the mean of its divisors is an integer number (1176630784).

Almost surely, 2^65984868411 is an apocalyptic number.

65984868411 is a deficient number, since it is larger than the sum of its proper divisors (46971686853).

65984868411 is a wasteful number, since it uses less digits than its factorization.

65984868411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033 (or 3022 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 60.

The spelling of 65984868411 in words is "sixty-five billion, nine hundred eighty-four million, eight hundred sixty-eight thousand, four hundred eleven".