206128341 has 16 divisors (see below), whose sum is σ = 306363520. Its totient is φ = 136974240.

The previous prime is 206128337. The next prime is 206128357. The reversal of 206128341 is 143821602.

206128341 is a `hidden beast` number, since 2 + 0 + 612 + 8 + 3 + 41 = 666.

It is not a de Polignac number, because 206128341 - 2² = 206128337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206128141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3745 + ... + 20646.

It is an arithmetic number, because the mean of its divisors is an integer number (19147720).

Almost surely, 2^206128341 is an apocalyptic number.

It is an amenable number.

206128341 is a deficient number, since it is larger than the sum of its proper divisors (100235179).

206128341 is a wasteful number, since it uses less digits than its factorization.

206128341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24713 (or 24707 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 206128341 is about 14357.1703688436. The cubic root of 206128341 is about 590.7166824669.

Adding to 206128341 its reverse (143821602), we get a palindrome (349949943).

The spelling of 206128341 in words is "two hundred six million, one hundred twenty-eight thousand, three hundred forty-one".