228755817246816 has 60 divisors (see below), whose sum is σ = 672764504202252. Its totient is φ = 76251939081408.

The previous prime is 228755817246787. The next prime is 228755817246823. The reversal of 228755817246816 is 618642718557822.

228755817246816 is a `hidden beast` number, since 2 + 2 + 8 + 7 + 5 + 5 + 81 + 72 + 468 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

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 9 ways as a sum of consecutive naturals, for example, 44127276970 + ... + 44127282153.

Almost surely, 2^{228755817246816} is an apocalyptic number.

It is an amenable number.

228755817246816 is an abundant number, since it is smaller than the sum of its proper divisors (444008686955436).

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

228755817246816 is an equidigital number, since it uses as much as digits as its factorization.

228755817246816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88254559145 (or 88254559128 counting only the distinct ones).

The product of its digits is 722534400, while the sum is 72.

The spelling of 228755817246816 in words is "two hundred twenty-eight trillion, seven hundred fifty-five billion, eight hundred seventeen million, two hundred forty-six thousand, eight hundred sixteen".