68224111968 has 24 divisors (see below), whose sum is σ = 179088294168. Its totient is φ = 22741370624.

The previous prime is 68224111877. The next prime is 68224111987. The reversal of 68224111968 is 86911142286.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355333821 + ... + 355334012.

It is an arithmetic number, because the mean of its divisors is an integer number (7462012257).

Almost surely, 2^68224111968 is an apocalyptic number.

It is an amenable number.

68224111968 is an abundant number, since it is smaller than the sum of its proper divisors (110864182200).

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

68224111968 is a wasteful number, since it uses less digits than its factorization.

68224111968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710667846 (or 710667838 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The spelling of 68224111968 in words is "sixty-eight billion, two hundred twenty-four million, one hundred eleven thousand, nine hundred sixty-eight".