163110312818 has 4 divisors (see below), whose sum is σ = 244665469230. Its totient is φ = 81555156408.

The previous prime is 163110312817. The next prime is 163110312839. The reversal of 163110312818 is 818213011361.

163110312818 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 only one way, i.e., 152886474049 + 10223838769 = 391007^2 + 101113^2 .

It is a super-2 number, since 2×163110312818² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163110312817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40777578203 + ... + 40777578206.

Almost surely, 2^163110312818 is an apocalyptic number.

163110312818 is a deficient number, since it is larger than the sum of its proper divisors (81555156412).

163110312818 is an equidigital number, since it uses as much as digits as its factorization.

163110312818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81555156411.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 163110312818 in words is "one hundred sixty-three billion, one hundred ten million, three hundred twelve thousand, eight hundred eighteen".