204197169 has 16 divisors (see below), whose sum is σ = 298333440. Its totient is φ = 123206160.

The previous prime is 204197159. The next prime is 204197177. The reversal of 204197169 is 961791402.

204197169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204197169 - 2⁵ = 204197137 is a prime.

It is a super-2 number, since 2×204197169² = 83392967655229122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204197159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6139 + ... + 21120.

It is an arithmetic number, because the mean of its divisors is an integer number (18645840).

Almost surely, 2^204197169 is an apocalyptic number.

It is an amenable number.

204197169 is a deficient number, since it is larger than the sum of its proper divisors (94136271).

204197169 is a wasteful number, since it uses less digits than its factorization.

204197169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27500.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 204197169 is about 14289.7574856958. The cubic root of 204197169 is about 588.8661254614.

The spelling of 204197169 in words is "two hundred four million, one hundred ninety-seven thousand, one hundred sixty-nine".