204886028166 has 16 divisors (see below), whose sum is σ = 423902127600. Its totient is φ = 65940330848.

The previous prime is 204886028147. The next prime is 204886028183. The reversal of 204886028166 is 661820688402.

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, 588752781 + ... + 588753128.

It is an arithmetic number, because the mean of its divisors is an integer number (26493882975).

Almost surely, 2^204886028166 is an apocalyptic number.

204886028166 is an abundant number, since it is smaller than the sum of its proper divisors (219016099434).

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

204886028166 is a wasteful number, since it uses less digits than its factorization.

204886028166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177505943.

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 204886028166 in words is "two hundred four billion, eight hundred eighty-six million, twenty-eight thousand, one hundred sixty-six".