1168197143 has 8 divisors (see below), whose sum is σ = 1237919760. Its totient is φ = 1098586240.

The previous prime is 1168197137. The next prime is 1168197157. The reversal of 1168197143 is 3417918611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1168197143 - 2¹⁰ = 1168196119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1168197143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168197103) 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 7 ways as a sum of consecutive naturals, for example, 5888 + ... + 48693.

It is an arithmetic number, because the mean of its divisors is an integer number (154739970).

Almost surely, 2^1168197143 is an apocalyptic number.

1168197143 is a deficient number, since it is larger than the sum of its proper divisors (69722617).

1168197143 is a wasteful number, since it uses less digits than its factorization.

1168197143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55857.

The product of its digits is 36288, while the sum is 41.

The square root of 1168197143 is about 34178.8990899356. The cubic root of 1168197143 is about 1053.1867336457.

The spelling of 1168197143 in words is "one billion, one hundred sixty-eight million, one hundred ninety-seven thousand, one hundred forty-three".