205616104 has 16 divisors (see below), whose sum is σ = 395950500. Its totient is φ = 100029312.

The previous prime is 205616093. The next prime is 205616129. The reversal of 205616104 is 401616502.

It can be written as a sum of positive squares in 2 ways, for example, as 203062500 + 2553604 = 14250^2 + 1598^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347029 + ... + 347620.

Almost surely, 2^205616104 is an apocalyptic number.

It is an amenable number.

205616104 is a deficient number, since it is larger than the sum of its proper divisors (190334396).

205616104 is a wasteful number, since it uses less digits than its factorization.

205616104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694692 (or 694688 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 205616104 is about 14339.3202070391. The cubic root of 205616104 is about 590.2269585515.

The spelling of 205616104 in words is "two hundred five million, six hundred sixteen thousand, one hundred four".