204087168 has 64 divisors (see below), whose sum is σ = 602350800. Its totient is φ = 68027904.

The previous prime is 204087139. The next prime is 204087203. The reversal of 204087168 is 861780402.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 26071 + ... + 32982.

Almost surely, 2^204087168 is an apocalyptic number.

It is an amenable number.

204087168 is an abundant number, since it is smaller than the sum of its proper divisors (398263632).

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

204087168 is an equidigital number, since it uses as much as digits as its factorization.

204087168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59076 (or 59058 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 204087168 is about 14285.9080215435. The cubic root of 204087168 is about 588.7603657553.

The spelling of 204087168 in words is "two hundred four million, eighty-seven thousand, one hundred sixty-eight".