10202161 has 4 divisors (see below), whose sum is σ = 10222192. Its totient is φ = 10182132.

The previous prime is 10202119. The next prime is 10202177. The reversal of 10202161 is 16120201.

10202161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10202161 - 2¹⁹ = 9677873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202191) 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, 9231 + ... + 10276.

It is an arithmetic number, because the mean of its divisors is an integer number (2555548).

Almost surely, 2^10202161 is an apocalyptic number.

It is an amenable number.

10202161 is a deficient number, since it is larger than the sum of its proper divisors (20031).

10202161 is an equidigital number, since it uses as much as digits as its factorization.

10202161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20030.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 10202161 is about 3194.0821842902. The cubic root of 10202161 is about 216.8856030218.

Adding to 10202161 its reverse (16120201), we get a palindrome (26322362).

The spelling of 10202161 in words is "ten million, two hundred two thousand, one hundred sixty-one".