205970163 has 16 divisors (see below), whose sum is σ = 314211840. Its totient is φ = 117565056.

The previous prime is 205970153. The next prime is 205970173. The reversal of 205970163 is 361079502.

It is an interprime number because it is at equal distance from previous prime (205970153) and next prime (205970173).

It is not a de Polignac number, because 205970163 - 2²¹ = 203873011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205970153) 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, 15498 + ... + 25536.

It is an arithmetic number, because the mean of its divisors is an integer number (19638240).

Almost surely, 2^205970163 is an apocalyptic number.

205970163 is a deficient number, since it is larger than the sum of its proper divisors (108241677).

205970163 is a wasteful number, since it uses less digits than its factorization.

205970163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 205970163 is about 14351.6606356198. The cubic root of 205970163 is about 590.5655431428.

The spelling of 205970163 in words is "two hundred five million, nine hundred seventy thousand, one hundred sixty-three".