66081122 has 8 divisors (see below), whose sum is σ = 99320256. Its totient is φ = 32974372.

The previous prime is 66081097. The next prime is 66081137. The reversal of 66081122 is 22118066.

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

It is a junction number, because it is equal to n+sod(n) for n = 66081091 and 66081100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31838 + ... + 33849.

It is an arithmetic number, because the mean of its divisors is an integer number (12415032).

Almost surely, 2^66081122 is an apocalyptic number.

66081122 is a deficient number, since it is larger than the sum of its proper divisors (33239134).

66081122 is a wasteful number, since it uses less digits than its factorization.

66081122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66192.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 66081122 is about 8129.0295853810. The cubic root of 66081122 is about 404.2895067334.

Adding to 66081122 its reverse (22118066), we get a palindrome (88199188).

The spelling of 66081122 in words is "sixty-six million, eighty-one thousand, one hundred twenty-two".