66241612 has 12 divisors (see below), whose sum is σ = 118389600. Its totient is φ = 32416016.

The previous prime is 66241583. The next prime is 66241621. The reversal of 66241612 is 21614266.

66241612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 175987 + ... + 176362.

It is an arithmetic number, because the mean of its divisors is an integer number (9865800).

Almost surely, 2^66241612 is an apocalyptic number.

It is an amenable number.

66241612 is a deficient number, since it is larger than the sum of its proper divisors (52147988).

66241612 is a wasteful number, since it uses less digits than its factorization.

66241612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352400 (or 352398 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 66241612 is about 8138.8950109950. The cubic root of 66241612 is about 404.6165389420.

Adding to 66241612 its reverse (21614266), we get a palindrome (87855878).

The spelling of 66241612 in words is "sixty-six million, two hundred forty-one thousand, six hundred twelve".