228161534976 has 66 divisors (see below), whose sum is σ = 658811507432. Its totient is φ = 76053841920.

The previous prime is 228161534963. The next prime is 228161534989. The reversal of 228161534976 is 679435161822.

It is a happy number.

228161534976 is a `hidden beast` number, since 2 + 2 + 8 + 16 + 1 + 534 + 97 + 6 = 666.

228161534976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228161534963) and next prime (228161534989).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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 5 ways as a sum of consecutive naturals, for example, 12369340 + ... + 12387771.

Almost surely, 2^228161534976 is an apocalyptic number.

It is an amenable number.

228161534976 is an abundant number, since it is smaller than the sum of its proper divisors (430649972456).

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

228161534976 is a wasteful number, since it uses less digits than its factorization.

228161534976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24757137 (or 24757116 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 228161534976 in words is "two hundred twenty-eight billion, one hundred sixty-one million, five hundred thirty-four thousand, nine hundred seventy-six".