2066011338221 has 8 divisors (see below), whose sum is σ = 2087358361920. Its totient is φ = 2044689096672.

The previous prime is 2066011338151. The next prime is 2066011338239. The reversal of 2066011338221 is 1228331106602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066011338221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066011358221) 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, 6027920 + ... + 6361433.

It is an arithmetic number, because the mean of its divisors is an integer number (260919795240).

Almost surely, 2^{2066011338221} is an apocalyptic number.

It is an amenable number.

2066011338221 is a deficient number, since it is larger than the sum of its proper divisors (21347023699).

2066011338221 is a wasteful number, since it uses less digits than its factorization.

2066011338221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12391075.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 2066011338221 in words is "two trillion, sixty-six billion, eleven million, three hundred thirty-eight thousand, two hundred twenty-one".