543616 has 32 divisors (see below), whose sum is σ = 1126080. Its totient is φ = 261120.

The previous prime is 543611. The next prime is 543617. The reversal of 543616 is 616345.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543611) by changing a digit.

543616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3900 + ... + 4036.

It is an arithmetic number, because the mean of its divisors is an integer number (35190).

2⁵⁴³⁶¹⁶ 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 543616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563040).

543616 is an abundant number, since it is smaller than the sum of its proper divisors (582464).

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

543616 is a wasteful number, since it uses less digits than its factorization.

543616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 170 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 543616 is about 737.3031940796. The cubic root of 543616 is about 81.6138897284.

The spelling of 543616 in words is "five hundred forty-three thousand, six hundred sixteen".