228151685745184 has 24 divisors (see below), whose sum is σ = 449498883846348. Its totient is φ = 113993239054080.

The previous prime is 228151685745101. The next prime is 228151685745197. The reversal of 228151685745184 is 481547586151822.

It can be written as a sum of positive squares in 2 ways, for example, as 209380089680784 + 18771596064400 = 14469972^2 + 4332620^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2581324447 + ... + 2581412830.

Almost surely, 2^{228151685745184} is an apocalyptic number.

It is an amenable number.

228151685745184 is a deficient number, since it is larger than the sum of its proper divisors (221347198101164).

228151685745184 is a wasteful number, since it uses less digits than its factorization.

228151685745184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162738668 (or 5162738660 counting only the distinct ones).

The product of its digits is 172032000, while the sum is 67.

The spelling of 228151685745184 in words is "two hundred twenty-eight trillion, one hundred fifty-one billion, six hundred eighty-five million, seven hundred forty-five thousand, one hundred eighty-four".