1185118668 has 48 divisors (see below), whose sum is σ = 3092920320. Its totient is φ = 392418000.

The previous prime is 1185118667. The next prime is 1185118691. The reversal of 1185118668 is 8668115811.

It is a happy number.

1185118668 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1185118667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20028 + ... + 52643.

It is an arithmetic number, because the mean of its divisors is an integer number (64435840).

Almost surely, 2^1185118668 is an apocalyptic number.

1185118668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1185118668 is an abundant number, since it is smaller than the sum of its proper divisors (1907801652).

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

1185118668 is a wasteful number, since it uses less digits than its factorization.

1185118668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72835 (or 72827 counting only the distinct ones).

The product of its digits is 92160, while the sum is 45.

The square root of 1185118668 is about 34425.5525445853. The cubic root of 1185118668 is about 1058.2475695866.

The spelling of 1185118668 in words is "one billion, one hundred eighty-five million, one hundred eighteen thousand, six hundred sixty-eight".