68326610964 has 12 divisors (see below), whose sum is σ = 159428758944. Its totient is φ = 22775536984.

The previous prime is 68326610959. The next prime is 68326610977. The reversal of 68326610964 is 46901662386.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 2846942112 + ... + 2846942135.

It is an arithmetic number, because the mean of its divisors is an integer number (13285729912).

Almost surely, 2^68326610964 is an apocalyptic number.

It is an amenable number.

68326610964 is an abundant number, since it is smaller than the sum of its proper divisors (91102147980).

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

68326610964 is a wasteful number, since it uses less digits than its factorization.

68326610964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693884254 (or 5693884252 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 68326610964 in words is "sixty-eight billion, three hundred twenty-six million, six hundred ten thousand, nine hundred sixty-four".