66263204 has 12 divisors (see below), whose sum is σ = 132526464. Its totient is φ = 28398504.

The previous prime is 66263167. The next prime is 66263227. The reversal of 66263204 is 40236266.

66263204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

66263204 is an admirable number.

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, 1183244 + ... + 1183299.

It is an arithmetic number, because the mean of its divisors is an integer number (11043872).

Almost surely, 2^66263204 is an apocalyptic number.

It is an amenable number.

66263204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66263204 is a wasteful number, since it uses less digits than its factorization.

66263204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366554 (or 2366552 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 66263204 is about 8140.2213729112. The cubic root of 66263204 is about 404.6604968660.

The spelling of 66263204 in words is "sixty-six million, two hundred sixty-three thousand, two hundred four".