2066067221558 has 32 divisors (see below), whose sum is σ = 3454234813440. Its totient is φ = 921060685440.

The previous prime is 2066067221557. The next prime is 2066067221567. The reversal of 2066067221558 is 8551227606602.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066067221551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26384243 + ... + 26462433.

It is an arithmetic number, because the mean of its divisors is an integer number (107944837920).

Almost surely, 2^{2066067221558} is an apocalyptic number.

2066067221558 is a deficient number, since it is larger than the sum of its proper divisors (1388167591882).

2066067221558 is a wasteful number, since it uses less digits than its factorization.

2066067221558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119132.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 2066067221558 in words is "two trillion, sixty-six billion, sixty-seven million, two hundred twenty-one thousand, five hundred fifty-eight".