200567161 has 4 divisors (see below), whose sum is σ = 207483300. Its totient is φ = 193651024.

The previous prime is 200567141. The next prime is 200567201. The reversal of 200567161 is 161765002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36240400 + 164326761 = 6020^2 + 12819^2 .

It is a cyclic number.

It is not a de Polignac number, because 200567161 - 2⁷ = 200567033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200567141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3458026 + ... + 3458083.

It is an arithmetic number, because the mean of its divisors is an integer number (51870825).

Almost surely, 2^200567161 is an apocalyptic number.

It is an amenable number.

200567161 is a deficient number, since it is larger than the sum of its proper divisors (6916139).

200567161 is an equidigital number, since it uses as much as digits as its factorization.

200567161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6916138.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 200567161 is about 14162.1735972978. The cubic root of 200567161 is about 585.3558221982.

The spelling of 200567161 in words is "two hundred million, five hundred sixty-seven thousand, one hundred sixty-one".