204641606 has 16 divisors (see below), whose sum is σ = 331346400. Its totient is φ = 94229568.

The previous prime is 204641581. The next prime is 204641611. The reversal of 204641606 is 606146402.

It is a Curzon number.

It is a congruent number.

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, 2450 + ... + 20378.

It is an arithmetic number, because the mean of its divisors is an integer number (20709150).

Almost surely, 2^204641606 is an apocalyptic number.

204641606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

204641606 is a deficient number, since it is larger than the sum of its proper divisors (126704794).

204641606 is a wasteful number, since it uses less digits than its factorization.

204641606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18383.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 204641606 is about 14305.2999269502. The cubic root of 204641606 is about 589.2930400468.

The spelling of 204641606 in words is "two hundred four million, six hundred forty-one thousand, six hundred six".