228317665716 has 36 divisors (see below), whose sum is σ = 659584368352. Its totient is φ = 65233618704.

The previous prime is 228317665687. The next prime is 228317665747. The reversal of 228317665716 is 617566713822.

228317665716 is a `hidden beast` number, since 2 + 2 + 8 + 3 + 1 + 7 + 66 + 571 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453010990 + ... + 453011493.

Almost surely, 2^228317665716 is an apocalyptic number.

It is an amenable number.

228317665716 is an abundant number, since it is smaller than the sum of its proper divisors (431266702636).

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

228317665716 is a wasteful number, since it uses less digits than its factorization.

228317665716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906022500 (or 906022495 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 228317665716 in words is "two hundred twenty-eight billion, three hundred seventeen million, six hundred sixty-five thousand, seven hundred sixteen".