1161168 has 40 divisors (see below), whose sum is σ = 3178368. Its totient is φ = 364032.

The previous prime is 1161163. The next prime is 1161169. The reversal of 1161168 is 8611611.

It is a super-2 number, since 2×1161168² = 2696622248448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 1527.

2^1161168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589184).

1161168 is an abundant number, since it is smaller than the sum of its proper divisors (2017200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161168 is a wasteful number, since it uses less digits than its factorization.

1161168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1445 counting only the distinct ones).

The product of its digits is 288, while the sum is 24.

The square root of 1161168 is about 1077.5750553906. The cubic root of 1161168 is about 105.1070110837.

Adding to 1161168 its reverse (8611611), we get a palindrome (9772779).

The spelling of 1161168 in words is "one million, one hundred sixty-one thousand, one hundred sixty-eight".