163253109409 has 8 divisors (see below), whose sum is σ = 176644271552. Its totient is φ = 149980980240.

The previous prime is 163253109407. The next prime is 163253109451. The reversal of 163253109409 is 904901352361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163253109409 - 2¹ = 163253109407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163253109407) 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 7 ways as a sum of consecutive naturals, for example, 29755389 + ... + 29760874.

It is an arithmetic number, because the mean of its divisors is an integer number (22080533944).

Almost surely, 2^163253109409 is an apocalyptic number.

It is an amenable number.

163253109409 is a deficient number, since it is larger than the sum of its proper divisors (13391162143).

163253109409 is a wasteful number, since it uses less digits than its factorization.

163253109409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59516487.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 163253109409 in words is "one hundred sixty-three billion, two hundred fifty-three million, one hundred nine thousand, four hundred nine".