2105543366 has 16 divisors (see below), whose sum is σ = 3186254400. Its totient is φ = 1043483688.

The previous prime is 2105543357. The next prime is 2105543371. The reversal of 2105543366 is 6633455012.

It is a super-2 number, since 2×2105543366² = 8866625732213219912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172865 + ... + 184643.

It is an arithmetic number, because the mean of its divisors is an integer number (199140900).

Almost surely, 2^2105543366 is an apocalyptic number.

2105543366 is a deficient number, since it is larger than the sum of its proper divisors (1080711034).

2105543366 is a wasteful number, since it uses less digits than its factorization.

2105543366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12563.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2105543366 is about 45886.2001695499. The cubic root of 2105543366 is about 1281.7049557794.

Adding to 2105543366 its reverse (6633455012), we get a palindrome (8738998378).

The spelling of 2105543366 in words is "two billion, one hundred five million, five hundred forty-three thousand, three hundred sixty-six".