543161161344 has 64 divisors (see below), whose sum is σ = 1443108925440. Its totient is φ = 181011419136.

The previous prime is 543161161343. The next prime is 543161161349. The reversal of 543161161344 is 443161161345.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502337 + ... + 1828479.

It is an arithmetic number, because the mean of its divisors is an integer number (22548576960).

Almost surely, 2^543161161344 is an apocalyptic number.

It is an amenable number.

543161161344 is an abundant number, since it is smaller than the sum of its proper divisors (899947764096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

543161161344 is a wasteful number, since it uses less digits than its factorization.

543161161344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330497 (or 330485 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

Subtracting from 543161161344 its reverse (443161161345), we obtain a palindrome (99999999999).

It can be divided in two parts, 5431611 and 61344, that added together give a triangular number (5492955 = T₃₃₁₄).

The spelling of 543161161344 in words is "five hundred forty-three billion, one hundred sixty-one million, one hundred sixty-one thousand, three hundred forty-four".