543361421616 has 160 divisors (see below), whose sum is σ = 1535557051392. Its totient is φ = 164560066560.

The previous prime is 543361421611. The next prime is 543361421653. The reversal of 543361421616 is 616124163345.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (543361421611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14016276 + ... + 14054988.

Almost surely, 2^543361421616 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 543361421616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767778525696).

543361421616 is an abundant number, since it is smaller than the sum of its proper divisors (992195629776).

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

543361421616 is a wasteful number, since it uses less digits than its factorization.

543361421616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39091 (or 39085 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 543361421616 in words is "five hundred forty-three billion, three hundred sixty-one million, four hundred twenty-one thousand, six hundred sixteen".