205163216 has 20 divisors (see below), whose sum is σ = 418425600. Its totient is φ = 97182432.

The previous prime is 205163213. The next prime is 205163251. The reversal of 205163216 is 612361502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205163213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337136 + ... + 337743.

It is an arithmetic number, because the mean of its divisors is an integer number (20921280).

Almost surely, 2^205163216 is an apocalyptic number.

It is an amenable number.

205163216 is an abundant number, since it is smaller than the sum of its proper divisors (213262384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205163216 is a wasteful number, since it uses less digits than its factorization.

205163216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674906 (or 674900 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 205163216 is about 14323.5196791850. The cubic root of 205163216 is about 589.7932973129.

It can be divided in two parts, 205163 and 216, that added together give a cube (205379 = 59³).

The spelling of 205163216 in words is "two hundred five million, one hundred sixty-three thousand, two hundred sixteen".