65864332389896 has 16 divisors (see below), whose sum is σ = 123495720344640. Its totient is φ = 32932140298000.

The previous prime is 65864332389893. The next prime is 65864332389923. The reversal of 65864332389896 is 69898323346856.

65864332389896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65864332389896² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65864332389896.

It is not an unprimeable number, because it can be changed into a prime (65864332389893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11540021 + ... + 16275771.

It is an arithmetic number, because the mean of its divisors is an integer number (7718482521540).

Almost surely, 2^{65864332389896} is an apocalyptic number.

It is an amenable number.

65864332389896 is a deficient number, since it is larger than the sum of its proper divisors (57631387954744).

65864332389896 is a wasteful number, since it uses less digits than its factorization.

65864332389896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474244 (or 6474240 counting only the distinct ones).

The product of its digits is 9674588160, while the sum is 80.

The spelling of 65864332389896 in words is "sixty-five trillion, eight hundred sixty-four billion, three hundred thirty-two million, three hundred eighty-nine thousand, eight hundred ninety-six".