1163106563 has 4 divisors (see below), whose sum is σ = 1163356128. Its totient is φ = 1162857000.

The previous prime is 1163106559. The next prime is 1163106583. The reversal of 1163106563 is 3656013611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1163106563 - 2² = 1163106559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163106523) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 117656 + ... + 127157.

It is an arithmetic number, because the mean of its divisors is an integer number (290839032).

Almost surely, 2^1163106563 is an apocalyptic number.

1163106563 is a deficient number, since it is larger than the sum of its proper divisors (249565).

1163106563 is an equidigital number, since it uses as much as digits as its factorization.

1163106563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249564.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1163106563 is about 34104.3481538645. The cubic root of 1163106563 is about 1051.6547040442.

The spelling of 1163106563 in words is "one billion, one hundred sixty-three million, one hundred six thousand, five hundred sixty-three".