228160730880 has 576 divisors, whose sum is σ = 875394508800. Its totient is φ = 56076779520.

The previous prime is 228160730867. The next prime is 228160730921. The reversal of 228160730880 is 88037061822.

228160730880 is a `hidden beast` number, since 2 + 2 + 8 + 1 + 607 + 30 + 8 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24290985 + ... + 24300375.

Almost surely, 2^228160730880 is an apocalyptic number.

228160730880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228160730880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437697254400).

228160730880 is an abundant number, since it is smaller than the sum of its proper divisors (647233777920).

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

228160730880 is a wasteful number, since it uses less digits than its factorization.

228160730880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477 (or 9457 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 228160730880 in words is "two hundred twenty-eight billion, one hundred sixty million, seven hundred thirty thousand, eight hundred eighty".