206445160 has 16 divisors (see below), whose sum is σ = 464501700. Its totient is φ = 82578048.

The previous prime is 206445137. The next prime is 206445181. The reversal of 206445160 is 61544602.

It can be written as a sum of positive squares in 2 ways, for example, as 200675556 + 5769604 = 14166^2 + 2402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2580525 + ... + 2580604.

Almost surely, 2^206445160 is an apocalyptic number.

206445160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206445160 is an abundant number, since it is smaller than the sum of its proper divisors (258056540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206445160 is a wasteful number, since it uses less digits than its factorization.

206445160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161140 (or 5161136 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 206445160 is about 14368.1996088584. The cubic root of 206445160 is about 591.0191711433.

Adding to 206445160 its reverse (61544602), we get a palindrome (267989762).

The spelling of 206445160 in words is "two hundred six million, four hundred forty-five thousand, one hundred sixty".