204630166 has 8 divisors (see below), whose sum is σ = 330556464. Its totient is φ = 94444680.

The previous prime is 204630161. The next prime is 204630199. The reversal of 204630166 is 661036402.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204630161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3935170 + ... + 3935221.

It is an arithmetic number, because the mean of its divisors is an integer number (41319558).

Almost surely, 2^204630166 is an apocalyptic number.

204630166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

204630166 is a deficient number, since it is larger than the sum of its proper divisors (125926298).

204630166 is a wasteful number, since it uses less digits than its factorization.

204630166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7870406.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 204630166 is about 14304.9000695566. The cubic root of 204630166 is about 589.2820588357.

Adding to 204630166 its reverse (661036402), we get a palindrome (865666568).

The spelling of 204630166 in words is "two hundred four million, six hundred thirty thousand, one hundred sixty-six".