206606442204 has 48 divisors (see below), whose sum is σ = 554116903200. Its totient is φ = 66494026368.

The previous prime is 206606442179. The next prime is 206606442221. The reversal of 206606442204 is 402244606602.

206606442204 is a `hidden beast` number, since 2 + 0 + 6 + 6 + 0 + 6 + 442 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32980017 + ... + 32986280.

It is an arithmetic number, because the mean of its divisors is an integer number (11544102150).

Almost surely, 2^206606442204 is an apocalyptic number.

It is an amenable number.

206606442204 is an abundant number, since it is smaller than the sum of its proper divisors (347510460996).

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

206606442204 is a wasteful number, since it uses less digits than its factorization.

206606442204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65966339 (or 65966331 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 206606442204 in words is "two hundred six billion, six hundred six million, four hundred forty-two thousand, two hundred four".