143666517166 has 16 divisors (see below), whose sum is σ = 231916830480. Its totient is φ = 66499447680.

The previous prime is 143666517161. The next prime is 143666517193. The reversal of 143666517166 is 661715666341.

143666517166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143666517161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34633056 + ... + 34637203.

It is an arithmetic number, because the mean of its divisors is an integer number (14494801905).

Almost surely, 2^143666517166 is an apocalyptic number.

143666517166 is a deficient number, since it is larger than the sum of its proper divisors (88250313314).

143666517166 is a wasteful number, since it uses less digits than its factorization.

143666517166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69270339.

The product of its digits is 3265920, while the sum is 52.

The spelling of 143666517166 in words is "one hundred forty-three billion, six hundred sixty-six million, five hundred seventeen thousand, one hundred sixty-six".