1168975720 has 64 divisors (see below), whose sum is σ = 2875953600. Its totient is φ = 424097280.

The previous prime is 1168975657. The next prime is 1168975721. The reversal of 1168975720 is 275798611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1168975721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202636 + ... + 208324.

It is an arithmetic number, because the mean of its divisors is an integer number (44936775).

Almost surely, 2^1168975720 is an apocalyptic number.

1168975720 is a gapful number since it is divisible by the number (10) 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 1168975720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437976800).

1168975720 is an abundant number, since it is smaller than the sum of its proper divisors (1706977880).

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

1168975720 is a wasteful number, since it uses less digits than its factorization.

1168975720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178 (or 6174 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The square root of 1168975720 is about 34190.2869247978. The cubic root of 1168975720 is about 1053.4206567389.

The spelling of 1168975720 in words is "one billion, one hundred sixty-eight million, nine hundred seventy-five thousand, seven hundred twenty".