66110122 has 16 divisors (see below), whose sum is σ = 109399752. Its totient is φ = 29767680.

The previous prime is 66110113. The next prime is 66110129. The reversal of 66110122 is 22101166.

66110122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 51279921 + 14830201 = 7161^2 + 3851^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66110122.

It is not an unprimeable number, because it can be changed into a prime (66110129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29943 + ... + 32074.

Almost surely, 2^66110122 is an apocalyptic number.

66110122 is a deficient number, since it is larger than the sum of its proper divisors (43289630).

66110122 is a wasteful number, since it uses less digits than its factorization.

66110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62073.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 66110122 is about 8130.8131204696. The cubic root of 66110122 is about 404.3486395117.

Adding to 66110122 its reverse (22101166), we get a palindrome (88211288).

The spelling of 66110122 in words is "sixty-six million, one hundred ten thousand, one hundred twenty-two".