1168287678 has 32 divisors (see below), whose sum is σ = 2685722400. Its totient is φ = 376000128.

The previous prime is 1168287671. The next prime is 1168287689. The reversal of 1168287678 is 8767828611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168287671) 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 15 ways as a sum of consecutive naturals, for example, 371451 + ... + 374582.

It is an arithmetic number, because the mean of its divisors is an integer number (83928825).

Almost surely, 2^1168287678 is an apocalyptic number.

1168287678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1168287678 is an abundant number, since it is smaller than the sum of its proper divisors (1517434722).

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

1168287678 is a wasteful number, since it uses less digits than its factorization.

1168287678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746073 (or 746067 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 54.

The square root of 1168287678 is about 34180.2234925402. The cubic root of 1168287678 is about 1053.2139401831.

The spelling of 1168287678 in words is "one billion, one hundred sixty-eight million, two hundred eighty-seven thousand, six hundred seventy-eight".