163027115209 has 4 divisors (see below), whose sum is σ = 186316703104. Its totient is φ = 139737527316.

The previous prime is 163027115203. The next prime is 163027115243. The reversal of 163027115209 is 902511720361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163027115209 - 2³ = 163027115201 is a prime.

It is a super-2 number, since 2×163027115209² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163027115201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11644793937 + ... + 11644793950.

It is an arithmetic number, because the mean of its divisors is an integer number (46579175776).

Almost surely, 2^163027115209 is an apocalyptic number.

It is an amenable number.

163027115209 is a deficient number, since it is larger than the sum of its proper divisors (23289587895).

163027115209 is an equidigital number, since it uses as much as digits as its factorization.

163027115209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23289587894.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 163027115209 in words is "one hundred sixty-three billion, twenty-seven million, one hundred fifteen thousand, two hundred nine".