163543030213405 has 32 divisors (see below), whose sum is σ = 205826805548640. Its totient is φ = 124585505587200.

The previous prime is 163543030213393. The next prime is 163543030213421. The reversal of 163543030213405 is 504312030345361.

It can be written as a sum of positive squares in 16 ways, for example, as 18377665938724 + 145165364274681 = 4286918^2 + 12048459^2 .

It is not a de Polignac number, because 163543030213405 - 2²⁹ = 163542493342493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17962224 + ... + 25489753.

It is an arithmetic number, because the mean of its divisors is an integer number (6432087673395).

Almost surely, 2^{163543030213405} is an apocalyptic number.

It is an amenable number.

163543030213405 is a deficient number, since it is larger than the sum of its proper divisors (42283775335235).

163543030213405 is a wasteful number, since it uses less digits than its factorization.

163543030213405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43452369.

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 163543030213405 its reverse (504312030345361), we get a palindrome (667855060558766).

The spelling of 163543030213405 in words is "one hundred sixty-three trillion, five hundred forty-three billion, thirty million, two hundred thirteen thousand, four hundred five".