543516331466 has 24 divisors (see below), whose sum is σ = 858316951332. Its totient is φ = 258029616000.

The previous prime is 543516331451. The next prime is 543516331469. The reversal of 543516331466 is 664133615345.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 528862018441 + 14654313025 = 727229^2 + 121055^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 543516331466.

It is not an unprimeable number, because it can be changed into a prime (543516331469) 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 11 ways as a sum of consecutive naturals, for example, 2565935 + ... + 2769666.

Almost surely, 2^543516331466 is an apocalyptic number.

543516331466 is a deficient number, since it is larger than the sum of its proper divisors (314800619866).

543516331466 is a wasteful number, since it uses less digits than its factorization.

543516331466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335718 (or 5335687 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 47.

The spelling of 543516331466 in words is "five hundred forty-three billion, five hundred sixteen million, three hundred thirty-one thousand, four hundred sixty-six".