68175556944 has 80 divisors (see below), whose sum is σ = 192638622720. Its totient is φ = 20604689280.

The previous prime is 68175556919. The next prime is 68175556963. The reversal of 68175556944 is 44965557186.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29769 + ... + 370455.

It is an arithmetic number, because the mean of its divisors is an integer number (2407982784).

Almost surely, 2^68175556944 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 68175556944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96319311360).

68175556944 is an abundant number, since it is smaller than the sum of its proper divisors (124463065776).

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

68175556944 is a wasteful number, since it uses less digits than its factorization.

68175556944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341088 (or 341082 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 60.

The spelling of 68175556944 in words is "sixty-eight billion, one hundred seventy-five million, five hundred fifty-six thousand, nine hundred forty-four".