10168409 has 4 divisors (see below), whose sum is σ = 10200804. Its totient is φ = 10136016.

The previous prime is 10168391. The next prime is 10168423. The reversal of 10168409 is 90486101.

10168409 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5953600 + 4214809 = 2440^2 + 2053^2 .

It is a cyclic number.

It is not a de Polignac number, because 10168409 - 2⁸ = 10168153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10168489) 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, 15722 + ... + 16355.

It is an arithmetic number, because the mean of its divisors is an integer number (2550201).

Almost surely, 2^10168409 is an apocalyptic number.

It is an amenable number.

10168409 is a deficient number, since it is larger than the sum of its proper divisors (32395).

10168409 is an equidigital number, since it uses as much as digits as its factorization.

10168409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32394.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 10168409 is about 3188.7942862468. The cubic root of 10168409 is about 216.6461632143.

The spelling of 10168409 in words is "ten million, one hundred sixty-eight thousand, four hundred nine".