2066163543 has 12 divisors (see below), whose sum is σ = 2990398320. Its totient is φ = 1374700896.

The previous prime is 2066163523. The next prime is 2066163557. The reversal of 2066163543 is 3453616602.

2066163543 is a `hidden beast` number, since 2 + 0 + 6 + 616 + 35 + 4 + 3 = 666.

It is not a de Polignac number, because 2066163543 - 2²⁴ = 2049386327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2066163498 and 2066163507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066163503) 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, 223678 + ... + 232731.

It is an arithmetic number, because the mean of its divisors is an integer number (249199860).

Almost surely, 2^2066163543 is an apocalyptic number.

2066163543 is a deficient number, since it is larger than the sum of its proper divisors (924234777).

2066163543 is a wasteful number, since it uses less digits than its factorization.

2066163543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456918 (or 456915 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2066163543 is about 45455.0716972265. The cubic root of 2066163543 is about 1273.6640715393.

The spelling of 2066163543 in words is "two billion, sixty-six million, one hundred sixty-three thousand, five hundred forty-three".