226611661766 has 16 divisors (see below), whose sum is σ = 393948645120. Its totient is φ = 95751405960.

The previous prime is 226611661753. The next prime is 226611661769. The reversal of 226611661766 is 667166116622.

226611661766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226611661769) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 113988776 + ... + 113990763.

It is an arithmetic number, because the mean of its divisors is an integer number (24621790320).

Almost surely, 2^226611661766 is an apocalyptic number.

226611661766 is a deficient number, since it is larger than the sum of its proper divisors (167336983354).

226611661766 is a wasteful number, since it uses less digits than its factorization.

226611661766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227979619.

The product of its digits is 1306368, while the sum is 50.

The spelling of 226611661766 in words is "two hundred twenty-six billion, six hundred eleven million, six hundred sixty-one thousand, seven hundred sixty-six".