543666052603 has 6 divisors (see below), whose sum is σ = 568331431724. Its totient is φ = 520028397636.

The previous prime is 543666052549. The next prime is 543666052619. The reversal of 543666052603 is 306250666345.

It is not a de Polignac number, because 543666052603 - 2¹⁷ = 543665921531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553666052603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 513861525 + ... + 513862582.

Almost surely, 2^543666052603 is an apocalyptic number.

543666052603 is a deficient number, since it is larger than the sum of its proper divisors (24665379121).

543666052603 is a wasteful number, since it uses less digits than its factorization.

543666052603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027724153 (or 1027724130 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 543666052603 in words is "five hundred forty-three billion, six hundred sixty-six million, fifty-two thousand, six hundred three".