1168818685 has 32 divisors (see below), whose sum is σ = 1457402112. Its totient is φ = 899458560.

The previous prime is 1168818683. The next prime is 1168818709. The reversal of 1168818685 is 5868188611.

It is a happy number.

It is not a de Polignac number, because 1168818685 - 2¹ = 1168818683 is a prime.

It is a super-2 number, since 2×1168818685² = 2732274236810258450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168818683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3734089 + ... + 3734401.

It is an arithmetic number, because the mean of its divisors is an integer number (45543816).

Almost surely, 2^1168818685 is an apocalyptic number.

It is an amenable number.

1168818685 is a deficient number, since it is larger than the sum of its proper divisors (288583427).

1168818685 is a wasteful number, since it uses less digits than its factorization.

1168818685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613.

The product of its digits is 737280, while the sum is 52.

The square root of 1168818685 is about 34187.9903621140. The cubic root of 1168818685 is about 1053.3734840109.

The spelling of 1168818685 in words is "one billion, one hundred sixty-eight million, eight hundred eighteen thousand, six hundred eighty-five".