1066890022843 has 4 divisors (see below), whose sum is σ = 1087020023328. Its totient is φ = 1046760022360.

The previous prime is 1066890022841. The next prime is 1066890022867. The reversal of 1066890022843 is 3482200986601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1066890022843 - 2¹ = 1066890022841 is a prime.

It is a super-3 number, since 3×1066890022843³ (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 (1066890022841) 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, 10065000163 + ... + 10065000268.

It is an arithmetic number, because the mean of its divisors is an integer number (271755005832).

Almost surely, 2^{1066890022843} is an apocalyptic number.

1066890022843 is a deficient number, since it is larger than the sum of its proper divisors (20130000485).

1066890022843 is an equidigital number, since it uses as much as digits as its factorization.

1066890022843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20130000484.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 1066890022843 in words is "one trillion, sixty-six billion, eight hundred ninety million, twenty-two thousand, eight hundred forty-three".