8189133566 has 8 divisors (see below), whose sum is σ = 12491898840. Its totient is φ = 4025167288.

The previous prime is 8189133481. The next prime is 8189133571. The reversal of 8189133566 is 6653319818.

It is a happy number.

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

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, 34699601 + ... + 34699836.

It is an arithmetic number, because the mean of its divisors is an integer number (1561487355).

Almost surely, 2^8189133566 is an apocalyptic number.

8189133566 is a deficient number, since it is larger than the sum of its proper divisors (4302765274).

8189133566 is a wasteful number, since it uses less digits than its factorization.

8189133566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69399498.

The product of its digits is 933120, while the sum is 50.

The square root of 8189133566 is about 90493.8316461404. The cubic root of 8189133566 is about 2015.6385299722.

The spelling of 8189133566 in words is "eight billion, one hundred eighty-nine million, one hundred thirty-three thousand, five hundred sixty-six".