228578673516 has 12 divisors (see below), whose sum is σ = 533350238232. Its totient is φ = 76192891168.

The previous prime is 228578673511. The next prime is 228578673563. The reversal of 228578673516 is 615376875822.

228578673516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 228578673516.

It is not an unprimeable number, because it can be changed into a prime (228578673511) by changing a digit.

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, 9524111385 + ... + 9524111408.

It is an arithmetic number, because the mean of its divisors is an integer number (44445853186).

Almost surely, 2^228578673516 is an apocalyptic number.

It is an amenable number.

228578673516 is an abundant number, since it is smaller than the sum of its proper divisors (304771564716).

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

228578673516 is a wasteful number, since it uses less digits than its factorization.

228578673516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19048222800 (or 19048222798 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 60.

The spelling of 228578673516 in words is "two hundred twenty-eight billion, five hundred seventy-eight million, six hundred seventy-three thousand, five hundred sixteen".