1171808068 has 6 divisors (see below), whose sum is σ = 2050664126. Its totient is φ = 585904032.

The previous prime is 1171808041. The next prime is 1171808101. The reversal of 1171808068 is 8608081711.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 871548484 + 300259584 = 29522^2 + 17328^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1171808068.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146476005 + ... + 146476012.

Almost surely, 2^1171808068 is an apocalyptic number.

It is an amenable number.

1171808068 is a deficient number, since it is larger than the sum of its proper divisors (878856058).

1171808068 is a wasteful number, since it uses less digits than its factorization.

1171808068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292952021 (or 292952019 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 40.

The square root of 1171808068 is about 34231.6822256809. The cubic root of 1171808068 is about 1054.2707591970.

Adding to 1171808068 its reverse (8608081711), we get a palindrome (9779889779).

The spelling of 1171808068 in words is "one billion, one hundred seventy-one million, eight hundred eight thousand, sixty-eight".