65213061064 has 16 divisors (see below), whose sum is σ = 122279616000. Its totient is φ = 32605163472.

The previous prime is 65213061037. The next prime is 65213061071. The reversal of 65213061064 is 46016031256.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48409 + ... + 364375.

It is an arithmetic number, because the mean of its divisors is an integer number (7642476000).

Almost surely, 2^65213061064 is an apocalyptic number.

It is an amenable number.

65213061064 is a deficient number, since it is larger than the sum of its proper divisors (57066554936).

65213061064 is a wasteful number, since it uses less digits than its factorization.

65213061064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341772 (or 341768 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 65213061064 in words is "sixty-five billion, two hundred thirteen million, sixty-one thousand, sixty-four".