1163143163 has 16 divisors (see below), whose sum is σ = 1464857856. Its totient is φ = 898884000.

The previous prime is 1163143151. The next prime is 1163143207. The reversal of 1163143163 is 3613413611.

It is not a de Polignac number, because 1163143163 - 2⁶ = 1163143099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163140163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144713 + ... + 152538.

It is an arithmetic number, because the mean of its divisors is an integer number (91553616).

Almost surely, 2^1163143163 is an apocalyptic number.

1163143163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1163143163 is a deficient number, since it is larger than the sum of its proper divisors (301714693).

1163143163 is a wasteful number, since it uses less digits than its factorization.

1163143163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297314.

The product of its digits is 3888, while the sum is 29.

The square root of 1163143163 is about 34104.8847381134. The cubic root of 1163143163 is about 1051.6657348931.

Adding to 1163143163 its reverse (3613413611), we get a palindrome (4776556774).

The spelling of 1163143163 in words is "one billion, one hundred sixty-three million, one hundred forty-three thousand, one hundred sixty-three".