543161161345 has 32 divisors (see below), whose sum is σ = 727995692160. Its totient is φ = 385620963840.

The previous prime is 543161161343. The next prime is 543161161349.

It is a happy number.

543161161345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 543161161345 - 2¹ = 543161161343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 543161161298 and 543161161307.

It is not an unprimeable number, because it can be changed into a prime (543161161343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4166797 + ... + 4295173.

It is an arithmetic number, because the mean of its divisors is an integer number (22749865380).

Almost surely, 2^543161161345 is an apocalyptic number.

543161161345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543161161345 is a deficient number, since it is larger than the sum of its proper divisors (184834530815).

543161161345 is a wasteful number, since it uses less digits than its factorization.

543161161345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130225.

The product of its digits is 129600, while the sum is 40.

The spelling of 543161161345 in words is "five hundred forty-three billion, one hundred sixty-one million, one hundred sixty-one thousand, three hundred forty-five".