202160065 has 4 divisors (see below), whose sum is σ = 242592084. Its totient is φ = 161728048.

The previous prime is 202160033. The next prime is 202160069. The reversal of 202160065 is 560061202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560061202 = 2 ⋅280030601.

It can be written as a sum of positive squares in 2 ways, for example, as 40056241 + 162103824 = 6329^2 + 12732^2 .

It is a cyclic number.

It is not a de Polignac number, because 202160065 - 2⁵ = 202160033 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202160069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20216002 + ... + 20216011.

It is an arithmetic number, because the mean of its divisors is an integer number (60648021).

Almost surely, 2^202160065 is an apocalyptic number.

It is an amenable number.

202160065 is a deficient number, since it is larger than the sum of its proper divisors (40432019).

202160065 is an equidigital number, since it uses as much as digits as its factorization.

202160065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40432018.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 202160065 is about 14218.3003555277. The cubic root of 202160065 is about 586.9013694112.

The spelling of 202160065 in words is "two hundred two million, one hundred sixty thousand, sixty-five".