1806852160543 has 2 divisors, whose sum is σ = 1806852160544. Its totient is φ = 1806852160542.

The previous prime is 1806852160493. The next prime is 1806852160571. The reversal of 1806852160543 is 3450612586081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1806852160543 - 2²⁵ = 1806818606111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1806852160583) by changing a digit.

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 as a sum of consecutive naturals, namely, 903426080271 + 903426080272.

It is an arithmetic number, because the mean of its divisors is an integer number (903426080272).

Almost surely, 2^{1806852160543} is an apocalyptic number.

1806852160543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1806852160543 is an equidigital number, since it uses as much as digits as its factorization.

1806852160543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 1806852160543 in words is "one trillion, eight hundred six billion, eight hundred fifty-two million, one hundred sixty thousand, five hundred forty-three".