543989167922 has 18 divisors (see below), whose sum is σ = 861221983293. Its totient is φ = 257669691984.

The previous prime is 543989167879. The next prime is 543989167933. The reversal of 543989167922 is 229761989345.

It can be written as a sum of positive squares in 2 ways, for example, as 507954118681 + 36035049241 = 712709^2 + 189829^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=521531.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19804454 + ... + 19831902.

Almost surely, 2^543989167922 is an apocalyptic number.

543989167922 is a deficient number, since it is larger than the sum of its proper divisors (317232815371).

543989167922 is an frugal number, since it uses more digits than its factorization.

543989167922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54938 (or 27470 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 65.

The spelling of 543989167922 in words is "five hundred forty-three billion, nine hundred eighty-nine million, one hundred sixty-seven thousand, nine hundred twenty-two".