66340122 has 16 divisors (see below), whose sum is σ = 132764832. Its totient is φ = 22099280.

The previous prime is 66340121. The next prime is 66340129. The reversal of 66340122 is 22104366.

66340122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66340092 and 66340101.

It is not an unprimeable number, because it can be changed into a prime (66340121) 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, 11797 + ... + 16487.

It is an arithmetic number, because the mean of its divisors is an integer number (8297802).

Almost surely, 2^66340122 is an apocalyptic number.

66340122 is an abundant number, since it is smaller than the sum of its proper divisors (66424710).

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

66340122 is a wasteful number, since it uses less digits than its factorization.

66340122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 66340122 is about 8144.9445670305. The cubic root of 66340122 is about 404.8170122897.

Adding to 66340122 its reverse (22104366), we get a palindrome (88444488).

The spelling of 66340122 in words is "sixty-six million, three hundred forty thousand, one hundred twenty-two".