66610112 has 14 divisors (see below), whose sum is σ = 132179568. Its totient is φ = 33305024.

The previous prime is 66610111. The next prime is 66610123. The reversal of 66610112 is 21101666.

66610112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66610111) 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 as a sum of consecutive naturals, namely, 520328 + ... + 520455.

Almost surely, 2^66610112 is an apocalyptic number.

It is an amenable number.

66610112 is a deficient number, since it is larger than the sum of its proper divisors (65569456).

66610112 is a wasteful number, since it uses less digits than its factorization.

66610112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040795 (or 1040785 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 66610112 is about 8161.5018225814. The cubic root of 66610112 is about 405.3654416316.

Adding to 66610112 its reverse (21101666), we get a palindrome (87711778).

The spelling of 66610112 in words is "sixty-six million, six hundred ten thousand, one hundred twelve".