66242308 has 12 divisors (see below), whose sum is σ = 126462672. Its totient is φ = 30110120.

The previous prime is 66242291. The next prime is 66242327. The reversal of 66242308 is 80324266.

66242308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66242308.

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, 752710 + ... + 752797.

It is an arithmetic number, because the mean of its divisors is an integer number (10538556).

Almost surely, 2^66242308 is an apocalyptic number.

It is an amenable number.

66242308 is a deficient number, since it is larger than the sum of its proper divisors (60220364).

66242308 is a wasteful number, since it uses less digits than its factorization.

66242308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505522 (or 1505520 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 66242308 is about 8138.9377685297. The cubic root of 66242308 is about 404.6179560378.

The spelling of 66242308 in words is "sixty-six million, two hundred forty-two thousand, three hundred eight".