1066026196242 has 384 divisors, whose sum is σ = 2861473305600. Its totient is φ = 286123622400.

The previous prime is 1066026196223. The next prime is 1066026196243. The reversal of 1066026196242 is 2426916206601.

1066026196242 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 0 + 2 + 6 + 19 + 624 + 2 = 666.

It is a super-2 number, since 2×1066026196242² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066026196243) 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 191 ways as a sum of consecutive naturals, for example, 2658419242 + ... + 2658419642.

It is an arithmetic number, because the mean of its divisors is an integer number (7451753400).

Almost surely, 2^{1066026196242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066026196242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430736652800).

1066026196242 is an abundant number, since it is smaller than the sum of its proper divisors (1795447109358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066026196242 is a wasteful number, since it uses less digits than its factorization.

1066026196242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 1066026196242 in words is "one trillion, sixty-six billion, twenty-six million, one hundred ninety-six thousand, two hundred forty-two".