1667120544743 has 2 divisors, whose sum is σ = 1667120544744. Its totient is φ = 1667120544742.

The previous prime is 1667120544671. The next prime is 1667120544757. The reversal of 1667120544743 is 3474450217661.

It is a strong prime.

It is an emirp because it is prime and its reverse (3474450217661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1667120544743 - 2⁸ = 1667120544487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1667120544691 and 1667120544700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1667120544043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833560272371 + 833560272372.

It is an arithmetic number, because the mean of its divisors is an integer number (833560272372).

Almost surely, 2^{1667120544743} is an apocalyptic number.

1667120544743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1667120544743 is an equidigital number, since it uses as much as digits as its factorization.

1667120544743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 1667120544743 in words is "one trillion, six hundred sixty-seven billion, one hundred twenty million, five hundred forty-four thousand, seven hundred forty-three".