1181114666 has 8 divisors (see below), whose sum is σ = 1819555140. Its totient is φ = 574596288.

The previous prime is 1181114633. The next prime is 1181114677. The reversal of 1181114666 is 6664111811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1003559041 + 177555625 = 31679^2 + 13325^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7980431 + ... + 7980578.

Almost surely, 2^1181114666 is an apocalyptic number.

1181114666 is a deficient number, since it is larger than the sum of its proper divisors (638440474).

1181114666 is a wasteful number, since it uses less digits than its factorization.

1181114666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15961048.

The product of its digits is 6912, while the sum is 35.

The square root of 1181114666 is about 34367.3488357773. The cubic root of 1181114666 is about 1057.0544383578.

The spelling of 1181114666 in words is "one billion, one hundred eighty-one million, one hundred fourteen thousand, six hundred sixty-six".