2066846686066 has 8 divisors (see below), whose sum is σ = 3137622680304. Its totient is φ = 1020972459300.

The previous prime is 2066846686061. The next prime is 2066846686109. The reversal of 2066846686066 is 6606866486602.

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

It is a junction number, because it is equal to n+sod(n) for n = 2066846685989 and 2066846686007.

It is not an unprimeable number, because it can be changed into a prime (2066846686061) 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, 6225441660 + ... + 6225441991.

It is an arithmetic number, because the mean of its divisors is an integer number (392202835038).

Almost surely, 2^{2066846686066} is an apocalyptic number.

2066846686066 is a deficient number, since it is larger than the sum of its proper divisors (1070775994238).

2066846686066 is a wasteful number, since it uses less digits than its factorization.

2066846686066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12450883736.

The product of its (nonzero) digits is 143327232, while the sum is 64.

The spelling of 2066846686066 in words is "two trillion, sixty-six billion, eight hundred forty-six million, six hundred eighty-six thousand, sixty-six".