1066941444019 has 16 divisors (see below), whose sum is σ = 1178088073344. Its totient is φ = 958156027200.

The previous prime is 1066941444011. The next prime is 1066941444043. The reversal of 1066941444019 is 9104441496601.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1066941444019 - 2³ = 1066941444011 is a prime.

It is a super-3 number, since 3×1066941444019³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066941444011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9008167 + ... + 9125839.

It is an arithmetic number, because the mean of its divisors is an integer number (73630504584).

Almost surely, 2^{1066941444019} is an apocalyptic number.

1066941444019 is a deficient number, since it is larger than the sum of its proper divisors (111146629325).

1066941444019 is a wasteful number, since it uses less digits than its factorization.

1066941444019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127698.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 1066941444019 in words is "one trillion, sixty-six billion, nine hundred forty-one million, four hundred forty-four thousand, nineteen".