10168209 has 12 divisors (see below), whose sum is σ = 14965236. Its totient is φ = 6650592.

The previous prime is 10168201. The next prime is 10168259. The reversal of 10168209 is 90286101.

10168209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9363600 + 804609 = 3060^2 + 897^2 .

It is not a de Polignac number, because 10168209 - 2³ = 10168201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10168201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10182 + ... + 11135.

It is an arithmetic number, because the mean of its divisors is an integer number (1247103).

Almost surely, 2^10168209 is an apocalyptic number.

It is an amenable number.

10168209 is a deficient number, since it is larger than the sum of its proper divisors (4797027).

10168209 is a wasteful number, since it uses less digits than its factorization.

10168209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21376 (or 21373 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 10168209 is about 3188.7629262772. The cubic root of 10168209 is about 216.6447428178.

The spelling of 10168209 in words is "ten million, one hundred sixty-eight thousand, two hundred nine".