1660202587423 has 2 divisors, whose sum is σ = 1660202587424. Its totient is φ = 1660202587422.

The previous prime is 1660202587411. The next prime is 1660202587441. The reversal of 1660202587423 is 3247852020661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1660202587423 - 2¹⁷ = 1660202456351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1660202587403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830101293711 + 830101293712.

It is an arithmetic number, because the mean of its divisors is an integer number (830101293712).

Almost surely, 2^{1660202587423} is an apocalyptic number.

1660202587423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1660202587423 is an equidigital number, since it uses as much as digits as its factorization.

1660202587423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 1660202587423 in words is "one trillion, six hundred sixty billion, two hundred two million, five hundred eighty-seven thousand, four hundred twenty-three".