228080181186 has 320 divisors, whose sum is σ = 624451766400. Its totient is φ = 61268659200.

The previous prime is 228080181167. The next prime is 228080181227. The reversal of 228080181186 is 681181080822.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 141751950 + ... + 141753558.

It is an arithmetic number, because the mean of its divisors is an integer number (1951411770).

Almost surely, 2^228080181186 is an apocalyptic number.

228080181186 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 228080181186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312225883200).

228080181186 is an abundant number, since it is smaller than the sum of its proper divisors (396371585214).

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

228080181186 is a wasteful number, since it uses less digits than its factorization.

228080181186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 45.

The spelling of 228080181186 in words is "two hundred twenty-eight billion, eighty million, one hundred eighty-one thousand, one hundred eighty-six".