68538088322 has 18 divisors (see below), whose sum is σ = 113009596329. Its totient is φ = 31151825320.

The previous prime is 68538088319. The next prime is 68538088327. The reversal of 68538088322 is 22388083586.

It can be written as a sum of positive squares in 2 ways, for example, as 43860506041 + 24677582281 = 209429^2 + 157091^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=185119.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68538088327) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 4064204 + ... + 4081032.

Almost surely, 2^68538088322 is an apocalyptic number.

68538088322 is a deficient number, since it is larger than the sum of its proper divisors (44471508007).

68538088322 is an frugal number, since it uses more digits than its factorization.

68538088322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33682 (or 16842 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 68538088322 in words is "sixty-eight billion, five hundred thirty-eight million, eighty-eight thousand, three hundred twenty-two".