204265624164 has 96 divisors (see below), whose sum is σ = 548733056256. Its totient is φ = 57931960320.

The previous prime is 204265624159. The next prime is 204265624187. The reversal of 204265624164 is 461426562402.

204265624164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6320254 + ... + 6352490.

It is an arithmetic number, because the mean of its divisors is an integer number (5715969336).

Almost surely, 2^204265624164 is an apocalyptic number.

It is an amenable number.

204265624164 is an abundant number, since it is smaller than the sum of its proper divisors (344467432092).

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

204265624164 is a wasteful number, since it uses less digits than its factorization.

204265624164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32805 (or 32803 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 204265624164 in words is "two hundred four billion, two hundred sixty-five million, six hundred twenty-four thousand, one hundred sixty-four".