10008161 has 4 divisors (see below), whose sum is σ = 10353300. Its totient is φ = 9663024.

The previous prime is 10008137. The next prime is 10008179. The reversal of 10008161 is 16180001.

It is a happy number.

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 7182400 + 2825761 = 2680^2 + 1681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10008161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10008101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172526 + ... + 172583.

It is an arithmetic number, because the mean of its divisors is an integer number (2588325).

Almost surely, 2^10008161 is an apocalyptic number.

It is an amenable number.

10008161 is a deficient number, since it is larger than the sum of its proper divisors (345139).

10008161 is an equidigital number, since it uses as much as digits as its factorization.

10008161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345138.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 10008161 is about 3163.5677644078. The cubic root of 10008161 is about 215.5020608722.

Adding to 10008161 its reverse (16180001), we get a palindrome (26188162).

The spelling of 10008161 in words is "ten million, eight thousand, one hundred sixty-one".