180666743 has 2 divisors, whose sum is σ = 180666744. Its totient is φ = 180666742.

The previous prime is 180666691. The next prime is 180666793. The reversal of 180666743 is 347666081.

180666743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 180666743 - 2⁸ = 180666487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180666743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180666793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90333371 + 90333372.

It is an arithmetic number, because the mean of its divisors is an integer number (90333372).

Almost surely, 2^180666743 is an apocalyptic number.

180666743 is a deficient number, since it is larger than the sum of its proper divisors (1).

180666743 is an equidigital number, since it uses as much as digits as its factorization.

180666743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 180666743 is about 13441.2329419589. The cubic root of 180666743 is about 565.3179018649.

The spelling of 180666743 in words is "one hundred eighty million, six hundred sixty-six thousand, seven hundred forty-three".