200664406 has 4 divisors (see below), whose sum is σ = 300996612. Its totient is φ = 100332202.

The previous prime is 200664403. The next prime is 200664407. The reversal of 200664406 is 604466002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200664403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50166100 + ... + 50166103.

It is an arithmetic number, because the mean of its divisors is an integer number (75249153).

Almost surely, 2^200664406 is an apocalyptic number.

200664406 is a deficient number, since it is larger than the sum of its proper divisors (100332206).

200664406 is a wasteful number, since it uses less digits than its factorization.

200664406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100332205.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 200664406 is about 14165.6064466016. The cubic root of 200664406 is about 585.4504101814.

The spelling of 200664406 in words is "two hundred million, six hundred sixty-four thousand, four hundred six".