9164168409 has 24 divisors (see below), whose sum is σ = 13650890176. Its totient is φ = 5462978400.

The previous prime is 9164168383. The next prime is 9164168413. The reversal of 9164168409 is 9048614619.

It is not a de Polignac number, because 9164168409 - 2⁹ = 9164167897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9164168449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184789 + ... + 229074.

Almost surely, 2^9164168409 is an apocalyptic number.

It is an amenable number.

9164168409 is a deficient number, since it is larger than the sum of its proper divisors (4486721767).

9164168409 is a wasteful number, since it uses less digits than its factorization.

9164168409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413949 (or 413938 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 9164168409 is about 95729.6631614256. The cubic root of 9164168409 is about 2092.6552493906.

The spelling of 9164168409 in words is "nine billion, one hundred sixty-four million, one hundred sixty-eight thousand, four hundred nine".