2066341107761 has 6 divisors (see below), whose sum is σ = 2403702921330. Its totient is φ = 1771149520896.

The previous prime is 2066341107697. The next prime is 2066341107791. The reversal of 2066341107761 is 1677011436602.

It can be written as a sum of positive squares in only one way, i.e., 1248401747761 + 817939360000 = 1117319^2 + 904400^2 .

It is not a de Polignac number, because 2066341107761 - 2⁶ = 2066341107697 is a prime.

It is a super-3 number, since 3×2066341107761³ (a number of 38 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 (2066341107791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21085113296 + ... + 21085113393.

It is an arithmetic number, because the mean of its divisors is an integer number (400617153555).

Almost surely, 2^{2066341107761} is an apocalyptic number.

It is an amenable number.

2066341107761 is a deficient number, since it is larger than the sum of its proper divisors (337361813569).

2066341107761 is an equidigital number, since it uses as much as digits as its factorization.

2066341107761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42170226703 (or 42170226696 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 2066341107761 in words is "two trillion, sixty-six billion, three hundred forty-one million, one hundred seven thousand, seven hundred sixty-one".