226638442166 has 8 divisors (see below), whose sum is σ = 346371958944. Its totient is φ = 111181122520.

The previous prime is 226638442141. The next prime is 226638442171. The reversal of 226638442166 is 661244836622.

It is a happy number.

226638442166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 1069049150 + ... + 1069049361.

It is an arithmetic number, because the mean of its divisors is an integer number (43296494868).

Almost surely, 2^226638442166 is an apocalyptic number.

226638442166 is a deficient number, since it is larger than the sum of its proper divisors (119733516778).

226638442166 is a wasteful number, since it uses less digits than its factorization.

226638442166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138098566.

The product of its digits is 3981312, while the sum is 50.

The spelling of 226638442166 in words is "two hundred twenty-six billion, six hundred thirty-eight million, four hundred forty-two thousand, one hundred sixty-six".