163211313145543 has 16 divisors (see below), whose sum is σ = 176557808702016. Its totient is φ = 149979208216320.

The previous prime is 163211313145477. The next prime is 163211313145663. The reversal of 163211313145543 is 345541313112361.

163211313145543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 163211313145543 - 2²⁵ = 163211279591111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163211313145543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163211313145343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23590038 + ... + 29713843.

It is an arithmetic number, because the mean of its divisors is an integer number (11034863043876).

Almost surely, 2^{163211313145543} is an apocalyptic number.

163211313145543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

163211313145543 is a deficient number, since it is larger than the sum of its proper divisors (13346495556473).

163211313145543 is a wasteful number, since it uses less digits than its factorization.

163211313145543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53304954.

The product of its digits is 388800, while the sum is 43.

The spelling of 163211313145543 in words is "one hundred sixty-three trillion, two hundred eleven billion, three hundred thirteen million, one hundred forty-five thousand, five hundred forty-three".