205605466 has 16 divisors (see below), whose sum is σ = 337669920. Its totient is φ = 93116880.

The previous prime is 205605461. The next prime is 205605467. The reversal of 205605466 is 664506502.

It is not an unprimeable number, because it can be changed into a prime (205605461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10776 + ... + 22963.

It is an arithmetic number, because the mean of its divisors is an integer number (21104370).

Almost surely, 2^205605466 is an apocalyptic number.

205605466 is a deficient number, since it is larger than the sum of its proper divisors (132064454).

205605466 is a wasteful number, since it uses less digits than its factorization.

205605466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34029.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 205605466 is about 14338.9492641546. The cubic root of 205605466 is about 590.2167794806.

The spelling of 205605466 in words is "two hundred five million, six hundred five thousand, four hundred sixty-six".