2166223404043 has 8 divisors (see below), whose sum is σ = 2180047478112. Its totient is φ = 2152409481216.

The previous prime is 2166223403969. The next prime is 2166223404089. The reversal of 2166223404043 is 3404043226612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2166223404043 - 2¹³ = 2166223395851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2166223403993 and 2166223404011.

It is not an unprimeable number, because it can be changed into a prime (2166223404643) 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, 2109430 + ... + 2963467.

It is an arithmetic number, because the mean of its divisors is an integer number (272505934764).

Almost surely, 2^{2166223404043} is an apocalyptic number.

2166223404043 is a deficient number, since it is larger than the sum of its proper divisors (13824074069).

2166223404043 is a wasteful number, since it uses less digits than its factorization.

2166223404043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075621.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 2166223404043 in words is "two trillion, one hundred sixty-six billion, two hundred twenty-three million, four hundred four thousand, forty-three".