1066910840828 has 24 divisors (see below), whose sum is σ = 2134282114272. Its totient is φ = 457148839104.

The previous prime is 1066910840777. The next prime is 1066910840857. The reversal of 1066910840828 is 8280480196601.

It is a happy number.

It is a super-2 number, since 2×1066910840828² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066910840828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3978851 + ... + 4238522.

It is an arithmetic number, because the mean of its divisors is an integer number (88928421428).

Almost surely, 2^{1066910840828} is an apocalyptic number.

It is an amenable number.

1066910840828 is an abundant number, since it is smaller than the sum of its proper divisors (1067371273444).

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

1066910840828 is a wasteful number, since it uses less digits than its factorization.

1066910840828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8222021 (or 8222019 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 1066910840828 in words is "one trillion, sixty-six billion, nine hundred ten million, eight hundred forty thousand, eight hundred twenty-eight".