1168816 has 40 divisors (see below), whose sum is σ = 2566800. Its totient is φ = 510720.

The previous prime is 1168799. The next prime is 1168819. The reversal of 1168816 is 6188611.

It is a happy number.

It is a super-2 number, since 2×1168816² = 2732261683712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1168819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4990 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (64170).

2^1168816 is an apocalyptic number.

1168816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1168816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283400).

1168816 is an abundant number, since it is smaller than the sum of its proper divisors (1397984).

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

1168816 is a wasteful number, since it uses less digits than its factorization.

1168816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 271 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

The square root of 1168816 is about 1081.1179399122. The cubic root of 1168816 is about 105.3372677410.

The spelling of 1168816 in words is "one million, one hundred sixty-eight thousand, eight hundred sixteen".