205928164 has 24 divisors (see below), whose sum is σ = 400617728. Its totient is φ = 91977120.

The previous prime is 205928153. The next prime is 205928167. The reversal of 205928164 is 461829502.

It is not an unprimeable number, because it can be changed into a prime (205928167) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62262 + ... + 65485.

Almost surely, 2^205928164 is an apocalyptic number.

It is an amenable number.

205928164 is a deficient number, since it is larger than the sum of its proper divisors (194689564).

205928164 is a wasteful number, since it uses less digits than its factorization.

205928164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127795 (or 127793 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 205928164 is about 14350.1973505593. The cubic root of 205928164 is about 590.5254000335.

The spelling of 205928164 in words is "two hundred five million, nine hundred twenty-eight thousand, one hundred sixty-four".