2066260446646 has 16 divisors (see below), whose sum is σ = 3381184889280. Its totient is φ = 939200563080.

The previous prime is 2066260446643. The next prime is 2066260446659. The reversal of 2066260446646 is 6466440626602.

It is a super-3 number, since 3×2066260446646³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2066260446593 and 2066260446602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066260446643) 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, 2390785 + ... + 3138211.

It is an arithmetic number, because the mean of its divisors is an integer number (211324055580).

Almost surely, 2^{2066260446646} is an apocalyptic number.

2066260446646 is a deficient number, since it is larger than the sum of its proper divisors (1314924442634).

2066260446646 is a wasteful number, since it uses less digits than its factorization.

2066260446646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873099.

The product of its (nonzero) digits is 11943936, while the sum is 52.

The spelling of 2066260446646 in words is "two trillion, sixty-six billion, two hundred sixty million, four hundred forty-six thousand, six hundred forty-six".