68672806188 has 96 divisors (see below), whose sum is σ = 186234413568. Its totient is φ = 19288281600.

The previous prime is 68672806151. The next prime is 68672806211. The reversal of 68672806188 is 88160827686.

It is a super-2 number, since 2×68672806188² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14636923 + ... + 14641613.

It is an arithmetic number, because the mean of its divisors is an integer number (1939941808).

Almost surely, 2^68672806188 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 68672806188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93117206784).

68672806188 is an abundant number, since it is smaller than the sum of its proper divisors (117561607380).

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

68672806188 is a wasteful number, since it uses less digits than its factorization.

68672806188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623 (or 7621 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 60.

The spelling of 68672806188 in words is "sixty-eight billion, six hundred seventy-two million, eight hundred six thousand, one hundred eighty-eight".