1166166166 has 8 divisors (see below), whose sum is σ = 1908271944. Its totient is φ = 530075520.

The previous prime is 1166166161. The next prime is 1166166179. The reversal of 1166166166 is 6616616611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166166161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26503755 + ... + 26503798.

It is an arithmetic number, because the mean of its divisors is an integer number (238533993).

Almost surely, 2^1166166166 is an apocalyptic number.

1166166166 is a deficient number, since it is larger than the sum of its proper divisors (742105778).

1166166166 is a wasteful number, since it uses less digits than its factorization.

1166166166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53007566.

The product of its digits is 46656, while the sum is 40.

The square root of 1166166166 is about 34149.1751876967. The cubic root of 1166166166 is about 1052.5760379727.

The spelling of 1166166166 in words is "one billion, one hundred sixty-six million, one hundred sixty-six thousand, one hundred sixty-six".