206165485 has 16 divisors (see below), whose sum is σ = 261380160. Its totient is φ = 155675520.

The previous prime is 206165483. The next prime is 206165501. The reversal of 206165485 is 584561602.

It is not a de Polignac number, because 206165485 - 2¹ = 206165483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206165483) 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, 22834 + ... + 30556.

It is an arithmetic number, because the mean of its divisors is an integer number (16336260).

Almost surely, 2^206165485 is an apocalyptic number.

It is an amenable number.

206165485 is a deficient number, since it is larger than the sum of its proper divisors (55214675).

206165485 is a wasteful number, since it uses less digits than its factorization.

206165485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 206165485 is about 14358.4638802345. The cubic root of 206165485 is about 590.7521624054.

The spelling of 206165485 in words is "two hundred six million, one hundred sixty-five thousand, four hundred eighty-five".