1066448590379 has 4 divisors (see below), whose sum is σ = 1066594546584. Its totient is φ = 1066302634176.

The previous prime is 1066448590373. The next prime is 1066448590381. The reversal of 1066448590379 is 9730958446601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1066448590379 - 2³⁶ = 997729113643 is a prime.

It is a super-2 number, since 2×1066448590379² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066448590373) 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 in 3 ways as a sum of consecutive naturals, for example, 72967142 + ... + 72981755.

It is an arithmetic number, because the mean of its divisors is an integer number (266648636646).

Almost surely, 2^{1066448590379} is an apocalyptic number.

1066448590379 is a deficient number, since it is larger than the sum of its proper divisors (145956205).

1066448590379 is an equidigital number, since it uses as much as digits as its factorization.

1066448590379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145956204.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 1066448590379 in words is "one trillion, sixty-six billion, four hundred forty-eight million, five hundred ninety thousand, three hundred seventy-nine".