68122211080 has 384 divisors, whose sum is σ = 204243056640. Its totient is φ = 19981209600.

The previous prime is 68122211057. The next prime is 68122211083. The reversal of 68122211080 is 8011222186.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (68122211083) 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 95 ways as a sum of consecutive naturals, for example, 38859484 + ... + 38861236.

It is an arithmetic number, because the mean of its divisors is an integer number (531882960).

Almost surely, 2^68122211080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68122211080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102121528320).

68122211080 is an abundant number, since it is smaller than the sum of its proper divisors (136120845560).

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

68122211080 is a wasteful number, since it uses less digits than its factorization.

68122211080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The spelling of 68122211080 in words is "sixty-eight billion, one hundred twenty-two million, two hundred eleven thousand, eighty".