206460223173 has 48 divisors (see below), whose sum is σ = 304382123136. Its totient is φ = 134828789760.

The previous prime is 206460223139. The next prime is 206460223217. The reversal of 206460223173 is 371322064602.

206460223173 is a `hidden beast` number, since 2 + 0 + 6 + 460 + 2 + 23 + 173 = 666.

It is not a de Polignac number, because 206460223173 - 2¹⁰ = 206460222149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206460223103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134852418 + ... + 134853948.

It is an arithmetic number, because the mean of its divisors is an integer number (6341294232).

Almost surely, 2^206460223173 is an apocalyptic number.

It is an amenable number.

206460223173 is a deficient number, since it is larger than the sum of its proper divisors (97921899963).

206460223173 is a wasteful number, since it uses less digits than its factorization.

206460223173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114 (or 3111 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

Adding to 206460223173 its reverse (371322064602), we get a palindrome (577782287775).

The spelling of 206460223173 in words is "two hundred six billion, four hundred sixty million, two hundred twenty-three thousand, one hundred seventy-three".