166380354743 has 2 divisors, whose sum is σ = 166380354744. Its totient is φ = 166380354742.

The previous prime is 166380354697. The next prime is 166380354769. The reversal of 166380354743 is 347453083661.

It is a strong prime.

It is an emirp because it is prime and its reverse (347453083661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166380354743 - 2¹⁰ = 166380353719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166380354691 and 166380354700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166380354773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83190177371 + 83190177372.

It is an arithmetic number, because the mean of its divisors is an integer number (83190177372).

Almost surely, 2^166380354743 is an apocalyptic number.

166380354743 is a deficient number, since it is larger than the sum of its proper divisors (1).

166380354743 is an equidigital number, since it uses as much as digits as its factorization.

166380354743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 166380354743 in words is "one hundred sixty-six billion, three hundred eighty million, three hundred fifty-four thousand, seven hundred forty-three".