1066444326116 has 24 divisors (see below), whose sum is σ = 2009874510840. Its totient is φ = 492195981312.

The previous prime is 1066444326113. The next prime is 1066444326197. The reversal of 1066444326116 is 6116234446601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 87326160100 + 979118166016 = 295510^2 + 989504^2 .

It is a super-2 number, since 2×1066444326116² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066444326113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3246020 + ... + 3559428.

It is an arithmetic number, because the mean of its divisors is an integer number (83744771285).

Almost surely, 2^{1066444326116} is an apocalyptic number.

It is an amenable number.

1066444326116 is a deficient number, since it is larger than the sum of its proper divisors (943430184724).

1066444326116 is a wasteful number, since it uses less digits than its factorization.

1066444326116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378863 (or 378861 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 1066444326116 in words is "one trillion, sixty-six billion, four hundred forty-four million, three hundred twenty-six thousand, one hundred sixteen".