433218066 has 16 divisors (see below), whose sum is σ = 896313600. Its totient is φ = 139426448.

The previous prime is 433218059. The next prime is 433218083. The reversal of 433218066 is 660812334.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244706 + ... + 1245053.

It is an arithmetic number, because the mean of its divisors is an integer number (56019600).

Almost surely, 2^433218066 is an apocalyptic number.

433218066 is an abundant number, since it is smaller than the sum of its proper divisors (463095534).

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

433218066 is a wasteful number, since it uses less digits than its factorization.

433218066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489793.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 433218066 is about 20813.8911787297. The cubic root of 433218066 is about 756.6624571905.

The spelling of 433218066 in words is "four hundred thirty-three million, two hundred eighteen thousand, sixty-six".