163206245 has 16 divisors (see below), whose sum is σ = 198443520. Its totient is φ = 128844864.

The previous prime is 163206233. The next prime is 163206259. The reversal of 163206245 is 542602361.

163206245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 163206245 - 2⁸ = 163205989 is a prime.

It is a Curzon number.

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, 188684 + ... + 189546.

It is an arithmetic number, because the mean of its divisors is an integer number (12402720).

Almost surely, 2^163206245 is an apocalyptic number.

It is an amenable number.

163206245 is a deficient number, since it is larger than the sum of its proper divisors (35237275).

163206245 is a wasteful number, since it uses less digits than its factorization.

163206245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 163206245 is about 12775.2199589674. The cubic root of 163206245 is about 546.4858536378.

The spelling of 163206245 in words is "one hundred sixty-three million, two hundred six thousand, two hundred forty-five".