1066866908444 has 12 divisors (see below), whose sum is σ = 1867039936944. Its totient is φ = 533426926464.

The previous prime is 1066866908441. The next prime is 1066866908449. The reversal of 1066866908444 is 4448096686601.

1066866908444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1066866908444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066866908441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254512 + ... + 1925495.

It is an arithmetic number, because the mean of its divisors is an integer number (155586661412).

Almost surely, 2^{1066866908444} is an apocalyptic number.

It is an amenable number.

1066866908444 is a deficient number, since it is larger than the sum of its proper divisors (800173028500).

1066866908444 is a wasteful number, since it uses less digits than its factorization.

1066866908444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263884 (or 3263882 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 62.

The spelling of 1066866908444 in words is "one trillion, sixty-six billion, eight hundred sixty-six million, nine hundred eight thousand, four hundred forty-four".