1178917168 has 160 divisors (see below), whose sum is σ = 2889815040. Its totient is φ = 457850880.

The previous prime is 1178917151. The next prime is 1178917169. The reversal of 1178917168 is 8617198711.

It is not an unprimeable number, because it can be changed into a prime (1178917169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2042896 + ... + 2043472.

It is an arithmetic number, because the mean of its divisors is an integer number (18061344).

Almost surely, 2^1178917168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1178917168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444907520).

1178917168 is an abundant number, since it is smaller than the sum of its proper divisors (1710897872).

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

1178917168 is a wasteful number, since it uses less digits than its factorization.

1178917168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 669 counting only the distinct ones).

The product of its digits is 169344, while the sum is 49.

The square root of 1178917168 is about 34335.3632280190. The cubic root of 1178917168 is about 1056.3984712549.

The spelling of 1178917168 in words is "one billion, one hundred seventy-eight million, nine hundred seventeen thousand, one hundred sixty-eight".