204163653164 has 12 divisors (see below), whose sum is σ = 366942782304. Its totient is φ = 99322858224.

The previous prime is 204163653163. The next prime is 204163653167. The reversal of 204163653164 is 461356361402.

It is not an unprimeable number, because it can be changed into a prime (204163653163) 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, 689741924 + ... + 689742219.

It is an arithmetic number, because the mean of its divisors is an integer number (30578565192).

Almost surely, 2^204163653164 is an apocalyptic number.

It is an amenable number.

204163653164 is a deficient number, since it is larger than the sum of its proper divisors (162779129140).

204163653164 is a wasteful number, since it uses less digits than its factorization.

204163653164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379484184 (or 1379484182 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 204163653164 in words is "two hundred four billion, one hundred sixty-three million, six hundred fifty-three thousand, one hundred sixty-four".