218181126 has 16 divisors (see below), whose sum is σ = 436751424. Its totient is φ = 72662184.

The previous prime is 218181113. The next prime is 218181127. The reversal of 218181126 is 621181812.

It is a happy number.

218181126 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 218181093 and 218181102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218181127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8656 + ... + 22611.

It is an arithmetic number, because the mean of its divisors is an integer number (27296964).

Almost surely, 2^218181126 is an apocalyptic number.

218181126 is an abundant number, since it is smaller than the sum of its proper divisors (218570298).

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

218181126 is a wasteful number, since it uses less digits than its factorization.

218181126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32435.

The product of its digits is 1536, while the sum is 30.

The square root of 218181126 is about 14770.9554870360. The cubic root of 218181126 is about 602.0128012789.

The spelling of 218181126 in words is "two hundred eighteen million, one hundred eighty-one thousand, one hundred twenty-six".