200442166 has 4 divisors (see below), whose sum is σ = 300663252. Its totient is φ = 100221082.

The previous prime is 200442163. The next prime is 200442167. The reversal of 200442166 is 661244002.

200442166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 200442166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200442163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110540 + ... + 50110543.

It is an arithmetic number, because the mean of its divisors is an integer number (75165813).

Almost surely, 2^200442166 is an apocalyptic number.

200442166 is a deficient number, since it is larger than the sum of its proper divisors (100221086).

200442166 is a wasteful number, since it uses less digits than its factorization.

200442166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100221085.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 200442166 is about 14157.7599216825. The cubic root of 200442166 is about 585.2341975095.

Adding to 200442166 its reverse (661244002), we get a palindrome (861686168).

The spelling of 200442166 in words is "two hundred million, four hundred forty-two thousand, one hundred sixty-six".