208204161 has 8 divisors (see below), whose sum is σ = 302842464. Its totient is φ = 126184320.

The previous prime is 208204141. The next prime is 208204169. The reversal of 208204161 is 161402802.

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

It is not a de Polignac number, because 208204161 - 2¹⁹ = 207679873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (208204169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3154576 + ... + 3154641.

It is an arithmetic number, because the mean of its divisors is an integer number (37855308).

Almost surely, 2^208204161 is an apocalyptic number.

It is an amenable number.

208204161 is a deficient number, since it is larger than the sum of its proper divisors (94638303).

208204161 is a wasteful number, since it uses less digits than its factorization.

208204161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309231.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 208204161 is about 14429.2813750374. The cubic root of 208204161 is about 592.6930048289.

Adding to 208204161 its reverse (161402802), we get a palindrome (369606963).

The spelling of 208204161 in words is "two hundred eight million, two hundred four thousand, one hundred sixty-one".