228068161 has 8 divisors (see below), whose sum is σ = 238222080. Its totient is φ = 217934112.

The previous prime is 228068143. The next prime is 228068171. The reversal of 228068161 is 161860822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228068161 - 2¹³ = 228059969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228068131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21576 + ... + 30358.

It is an arithmetic number, because the mean of its divisors is an integer number (29777760).

Almost surely, 2^228068161 is an apocalyptic number.

It is an amenable number.

228068161 is a deficient number, since it is larger than the sum of its proper divisors (10153919).

228068161 is a wasteful number, since it uses less digits than its factorization.

228068161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 228068161 is about 15101.9257381302. The cubic root of 228068161 is about 610.9723460492.

The spelling of 228068161 in words is "two hundred twenty-eight million, sixty-eight thousand, one hundred sixty-one".