1178683968 has 224 divisors, whose sum is σ = 3954889728. Its totient is φ = 300902400.

The previous prime is 1178683939. The next prime is 1178683969. The reversal of 1178683968 is 8693868711.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (1178683969) 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, 901171 + ... + 902477.

Almost surely, 2^1178683968 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 1178683968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1977444864).

1178683968 is an abundant number, since it is smaller than the sum of its proper divisors (2776205760).

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

1178683968 is a wasteful number, since it uses less digits than its factorization.

1178683968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1391 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 57.

The square root of 1178683968 is about 34331.9671443394. The cubic root of 1178683968 is about 1056.3288117471.

The spelling of 1178683968 in words is "one billion, one hundred seventy-eight million, six hundred eighty-three thousand, nine hundred sixty-eight".