10209161 has 4 divisors (see below), whose sum is σ = 10353024. Its totient is φ = 10065300.

The previous prime is 10209127. The next prime is 10209169. The reversal of 10209161 is 16190201.

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 10209161 - 2¹⁰ = 10208137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10209169) 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, 71825 + ... + 71966.

It is an arithmetic number, because the mean of its divisors is an integer number (2588256).

Almost surely, 2^10209161 is an apocalyptic number.

It is an amenable number.

10209161 is a deficient number, since it is larger than the sum of its proper divisors (143863).

10209161 is an equidigital number, since it uses as much as digits as its factorization.

10209161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143862.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 10209161 is about 3195.1777728321. The cubic root of 10209161 is about 216.9351955256.

Adding to 10209161 its reverse (16190201), we get a palindrome (26399362).

The spelling of 10209161 in words is "ten million, two hundred nine thousand, one hundred sixty-one".