1066144587919 has 2 divisors, whose sum is σ = 1066144587920. Its totient is φ = 1066144587918.

The previous prime is 1066144587829. The next prime is 1066144587961. The reversal of 1066144587919 is 9197854416601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066144587919 - 2⁷ = 1066144587791 is a prime.

It is a super-2 number, since 2×1066144587919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066144584919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533072293959 + 533072293960.

It is an arithmetic number, because the mean of its divisors is an integer number (533072293960).

Almost surely, 2^{1066144587919} is an apocalyptic number.

1066144587919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066144587919 is an equidigital number, since it uses as much as digits as its factorization.

1066144587919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 1066144587919 in words is "one trillion, sixty-six billion, one hundred forty-four million, five hundred eighty-seven thousand, nine hundred nineteen".