204164411 has 4 divisors (see below), whose sum is σ = 222724824. Its totient is φ = 185604000.

The previous prime is 204164383. The next prime is 204164423. The reversal of 204164411 is 114461402.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204164411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204164431) 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, 9280190 + ... + 9280211.

It is an arithmetic number, because the mean of its divisors is an integer number (55681206).

Almost surely, 2^204164411 is an apocalyptic number.

204164411 is a deficient number, since it is larger than the sum of its proper divisors (18560413).

204164411 is a wasteful number, since it uses less digits than its factorization.

204164411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18560412.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 204164411 is about 14288.6112341263. The cubic root of 204164411 is about 588.8346344793.

The spelling of 204164411 in words is "two hundred four million, one hundred sixty-four thousand, four hundred eleven".