206194172 has 24 divisors (see below), whose sum is σ = 377395200. Its totient is φ = 98387696.

The previous prime is 206194171. The next prime is 206194181. The reversal of 206194172 is 271491602.

It is a happy number.

206194172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206194171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41729 + ... + 46407.

It is an arithmetic number, because the mean of its divisors is an integer number (15724800).

Almost surely, 2^206194172 is an apocalyptic number.

It is an amenable number.

206194172 is a deficient number, since it is larger than the sum of its proper divisors (171201028).

206194172 is a wasteful number, since it uses less digits than its factorization.

206194172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185 (or 5183 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 206194172 is about 14359.4628033224. The cubic root of 206194172 is about 590.7795613035.

The spelling of 206194172 in words is "two hundred six million, one hundred ninety-four thousand, one hundred seventy-two".