1168978218 has 8 divisors (see below), whose sum is σ = 2337956448. Its totient is φ = 389659404.

The previous prime is 1168978207. The next prime is 1168978253. The reversal of 1168978218 is 8128798611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1168978218 is an admirable number.

It is a super-3 number, since 3×1168978218³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97414846 + ... + 97414857.

It is an arithmetic number, because the mean of its divisors is an integer number (292244556).

Almost surely, 2^1168978218 is an apocalyptic number.

1168978218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1168978218 is a wasteful number, since it uses less digits than its factorization.

1168978218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194829708.

The product of its digits is 387072, while the sum is 51.

The square root of 1168978218 is about 34190.3234556212. The cubic root of 1168978218 is about 1053.4214070946.

The spelling of 1168978218 in words is "one billion, one hundred sixty-eight million, nine hundred seventy-eight thousand, two hundred eighteen".