1188006686 has 8 divisors (see below), whose sum is σ = 1819925280. Its totient is φ = 581364928.

The previous prime is 1188006679. The next prime is 1188006697. The reversal of 1188006686 is 6866008811.

It is a happy number.

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

It is a super-2 number, since 2×1188006686² = 2822719771961405192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6319091 + ... + 6319278.

It is an arithmetic number, because the mean of its divisors is an integer number (227490660).

Almost surely, 2^1188006686 is an apocalyptic number.

1188006686 is a deficient number, since it is larger than the sum of its proper divisors (631918594).

1188006686 is a wasteful number, since it uses less digits than its factorization.

1188006686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638418.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 1188006686 is about 34467.4728693590. The cubic root of 1188006686 is about 1059.1064874551.

The spelling of 1188006686 in words is "one billion, one hundred eighty-eight million, six thousand, six hundred eighty-six".