228524869566 has 384 divisors, whose sum is σ = 648784281600. Its totient is φ = 58815953280.

The previous prime is 228524869553. The next prime is 228524869577. The reversal of 228524869566 is 665968425822.

228524869566 is a `hidden beast` number, since 2 + 2 + 8 + 5 + 2 + 4 + 8 + 69 + 566 = 666.

228524869566 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 118221936 + ... + 118223868.

It is an arithmetic number, because the mean of its divisors is an integer number (1689542400).

Almost surely, 2^228524869566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228524869566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324392140800).

228524869566 is an abundant number, since it is smaller than the sum of its proper divisors (420259412034).

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

228524869566 is a wasteful number, since it uses less digits than its factorization.

228524869566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2054 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 63.

The spelling of 228524869566 in words is "two hundred twenty-eight billion, five hundred twenty-four million, eight hundred sixty-nine thousand, five hundred sixty-six".