543806916 has 12 divisors (see below), whose sum is σ = 1268882832. Its totient is φ = 181268968.

The previous prime is 543806911. The next prime is 543806933. The reversal of 543806916 is 619608345.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (543806911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22658610 + ... + 22658633.

It is an arithmetic number, because the mean of its divisors is an integer number (105740236).

Almost surely, 2^543806916 is an apocalyptic number.

It is an amenable number.

543806916 is an abundant number, since it is smaller than the sum of its proper divisors (725075916).

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

543806916 is a wasteful number, since it uses less digits than its factorization.

543806916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45317250 (or 45317248 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 543806916 is about 23319.6680079284. The cubic root of 543806916 is about 816.2344277911.

The spelling of 543806916 in words is "five hundred forty-three million, eight hundred six thousand, nine hundred sixteen".