228194007792168 has 64 divisors (see below), whose sum is σ = 622426853145600. Its totient is φ = 69140859423680.

The previous prime is 228194007792161. The next prime is 228194007792209. The reversal of 228194007792168 is 861297700491822.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 228194007792099 and 228194007792108.

It is not an unprimeable number, because it can be changed into a prime (228194007792161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53180238 + ... + 57310781.

It is an arithmetic number, because the mean of its divisors is an integer number (9725419580400).

Almost surely, 2^{228194007792168} is an apocalyptic number.

It is an amenable number.

228194007792168 is an abundant number, since it is smaller than the sum of its proper divisors (394232845353432).

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

228194007792168 is a wasteful number, since it uses less digits than its factorization.

228194007792168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110498862 (or 110498858 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 66.

The spelling of 228194007792168 in words is "two hundred twenty-eight trillion, one hundred ninety-four billion, seven million, seven hundred ninety-two thousand, one hundred sixty-eight".