7166143 has 2 divisors, whose sum is σ = 7166144. Its totient is φ = 7166142.

The previous prime is 7166141. The next prime is 7166147. The reversal of 7166143 is 3416617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7166143 - 2¹ = 7166141 is a prime.

Together with 7166141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7166141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3583071 + 3583072.

It is an arithmetic number, because the mean of its divisors is an integer number (3583072).

Almost surely, 2^7166143 is an apocalyptic number.

7166143 is a deficient number, since it is larger than the sum of its proper divisors (1).

7166143 is an equidigital number, since it uses as much as digits as its factorization.

7166143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 7166143 is about 2676.9652593936. The cubic root of 7166143 is about 192.7947292712.

It can be divided in two parts, 716614 and 3, that added together give a palindrome (716617).

The spelling of 7166143 in words is "seven million, one hundred sixty-six thousand, one hundred forty-three".