204550963166 has 16 divisors (see below), whose sum is σ = 354409156080. Its totient is φ = 87508433280.

The previous prime is 204550963159. The next prime is 204550963213. The reversal of 204550963166 is 661369055402.

It is a self number, because there is not a number n which added to its sum of digits gives 204550963166.

It is a congruent number.

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, 273463481 + ... + 273464228.

It is an arithmetic number, because the mean of its divisors is an integer number (22150572255).

Almost surely, 2^204550963166 is an apocalyptic number.

204550963166 is a deficient number, since it is larger than the sum of its proper divisors (149858192914).

204550963166 is a wasteful number, since it uses less digits than its factorization.

204550963166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546927739.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 204550963166 in words is "two hundred four billion, five hundred fifty million, nine hundred sixty-three thousand, one hundred sixty-six".