168117425228 has 12 divisors (see below), whose sum is σ = 294211320312. Its totient is φ = 84057048000.

The previous prime is 168117425207. The next prime is 168117425251. The reversal of 168117425228 is 822524711861.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173150 + ... + 605157.

It is an arithmetic number, because the mean of its divisors is an integer number (24517610026).

Almost surely, 2^168117425228 is an apocalyptic number.

It is an amenable number.

168117425228 is a deficient number, since it is larger than the sum of its proper divisors (126093895084).

168117425228 is a wasteful number, since it uses less digits than its factorization.

168117425228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832312 (or 832310 counting only the distinct ones).

The product of its digits is 430080, while the sum is 47.

The spelling of 168117425228 in words is "one hundred sixty-eight billion, one hundred seventeen million, four hundred twenty-five thousand, two hundred twenty-eight".