200132161 has 4 divisors (see below), whose sum is σ = 207033300. Its totient is φ = 193231024.

The previous prime is 200132159. The next prime is 200132209. The reversal of 200132161 is 161231002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161231002 = 2 ⋅80615501.

It can be written as a sum of positive squares in 2 ways, for example, as 141134400 + 58997761 = 11880^2 + 7681^2 .

It is a cyclic number.

It is not a de Polignac number, because 200132161 - 2¹ = 200132159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200132461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450526 + ... + 3450583.

It is an arithmetic number, because the mean of its divisors is an integer number (51758325).

Almost surely, 2^200132161 is an apocalyptic number.

It is an amenable number.

200132161 is a deficient number, since it is larger than the sum of its proper divisors (6901139).

200132161 is an equidigital number, since it uses as much as digits as its factorization.

200132161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901138.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 200132161 is about 14146.8074490324. The cubic root of 200132161 is about 584.9323329822.

Adding to 200132161 its reverse (161231002), we get a palindrome (361363163).

The spelling of 200132161 in words is "two hundred million, one hundred thirty-two thousand, one hundred sixty-one".