1105643163 has 16 divisors (see below), whose sum is σ = 1480428576. Its totient is φ = 733985280.

The previous prime is 1105643101. The next prime is 1105643167. The reversal of 1105643163 is 3613465011.

It is not a de Polignac number, because 1105643163 - 2⁸ = 1105642907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1105643163.

It is not an unprimeable number, because it can be changed into a prime (1105643167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346293 + ... + 1347113.

It is an arithmetic number, because the mean of its divisors is an integer number (92526786).

Almost surely, 2^1105643163 is an apocalyptic number.

1105643163 is a deficient number, since it is larger than the sum of its proper divisors (374785413).

1105643163 is an equidigital number, since it uses as much as digits as its factorization.

1105643163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1105643163 is about 33251.2129553194. The cubic root of 1105643163 is about 1034.0423553516.

The spelling of 1105643163 in words is "one billion, one hundred five million, six hundred forty-three thousand, one hundred sixty-three".