204158956160 has 64 divisors (see below), whose sum is σ = 488249003880. Its totient is φ = 81633214464.

The previous prime is 204158956159. The next prime is 204158956193. The reversal of 204158956160 is 61659851402.

It can be written as a sum of positive squares in 4 ways, for example, as 203718627904 + 440328256 = 451352^2 + 20984^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703984 + ... + 1819856.

Almost surely, 2^204158956160 is an apocalyptic number.

204158956160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204158956160 is an abundant number, since it is smaller than the sum of its proper divisors (284090047720).

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

204158956160 is a wasteful number, since it uses less digits than its factorization.

204158956160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118645 (or 118633 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 204158956160 in words is "two hundred four billion, one hundred fifty-eight million, nine hundred fifty-six thousand, one hundred sixty".