543660066345 has 32 divisors (see below), whose sum is σ = 979544715264. Its totient is φ = 255089764800.

The previous prime is 543660066269. The next prime is 543660066373.

543660066345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 543660066345 - 2¹⁸ = 543659804201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 543660066294 and 543660066303.

It is an unprimeable number.

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, 53138587 + ... + 53148816.

It is an arithmetic number, because the mean of its divisors is an integer number (30610772352).

Almost surely, 2^543660066345 is an apocalyptic number.

543660066345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543660066345 is a deficient number, since it is larger than the sum of its proper divisors (435884648919).

543660066345 is a wasteful number, since it uses less digits than its factorization.

543660066345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106287453.

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 543660066345 in words is "five hundred forty-three billion, six hundred sixty million, sixty-six thousand, three hundred forty-five".