543161436 has 96 divisors (see below), whose sum is σ = 1366310400. Its totient is φ = 167443200.

The previous prime is 543161389. The next prime is 543161449. The reversal of 543161436 is 634161345.

It is a junction number, because it is equal to n+sod(n) for n = 543161397 and 543161406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2371770 + ... + 2371998.

It is an arithmetic number, because the mean of its divisors is an integer number (14232400).

Almost surely, 2^543161436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 543161436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683155200).

543161436 is an abundant number, since it is smaller than the sum of its proper divisors (823148964).

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

543161436 is a wasteful number, since it uses less digits than its factorization.

543161436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 543161436 is about 23305.8240789722. The cubic root of 543161436 is about 815.9113525865.

Subtracting 543161436 from its reverse (634161345), we obtain a palindrome (90999909).

The spelling of 543161436 in words is "five hundred forty-three million, one hundred sixty-one thousand, four hundred thirty-six".