206406464604 has 12 divisors (see below), whose sum is σ = 481615084104. Its totient is φ = 68802154864.

The previous prime is 206406464569. The next prime is 206406464623. The reversal of 206406464604 is 406464604602.

206406464604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8600269347 + ... + 8600269370.

It is an arithmetic number, because the mean of its divisors is an integer number (40134590342).

Almost surely, 2^206406464604 is an apocalyptic number.

It is an amenable number.

206406464604 is an abundant number, since it is smaller than the sum of its proper divisors (275208619500).

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

206406464604 is a wasteful number, since it uses less digits than its factorization.

206406464604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17200538724 (or 17200538722 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 206406464604 in words is "two hundred six billion, four hundred six million, four hundred sixty-four thousand, six hundred four".