1168716816 has 160 divisors (see below), whose sum is σ = 3572449920. Its totient is φ = 364548096.

The previous prime is 1168716811. The next prime is 1168716821. The reversal of 1168716816 is 6186178611.

It is an interprime number because it is at equal distance from previous prime (1168716811) and next prime (1168716821).

It is not an unprimeable number, because it can be changed into a prime (1168716811) 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 31 ways as a sum of consecutive naturals, for example, 1710811 + ... + 1711493.

It is an arithmetic number, because the mean of its divisors is an integer number (22327812).

Almost surely, 2^1168716816 is an apocalyptic number.

1168716816 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 1168716816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1786224960).

1168716816 is an abundant number, since it is smaller than the sum of its proper divisors (2403733104).

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

1168716816 is a wasteful number, since it uses less digits than its factorization.

1168716816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 938 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The square root of 1168716816 is about 34186.5004936159. The cubic root of 1168716816 is about 1053.3428806840.

The spelling of 1168716816 in words is "one billion, one hundred sixty-eight million, seven hundred sixteen thousand, eight hundred sixteen".