633994066 has 8 divisors (see below), whose sum is σ = 965185200. Its totient is φ = 312265668.

The previous prime is 633994061. The next prime is 633994079. The reversal of 633994066 is 660499336.

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

It is not an unprimeable number, because it can be changed into a prime (633994061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2365516 + ... + 2365783.

It is an arithmetic number, because the mean of its divisors is an integer number (120648150).

Almost surely, 2^633994066 is an apocalyptic number.

633994066 is a deficient number, since it is larger than the sum of its proper divisors (331191134).

633994066 is a wasteful number, since it uses less digits than its factorization.

633994066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731368.

The product of its (nonzero) digits is 629856, while the sum is 46.

The square root of 633994066 is about 25179.2387891294. The cubic root of 633994066 is about 859.0696925760.

The spelling of 633994066 in words is "six hundred thirty-three million, nine hundred ninety-four thousand, sixty-six".