2066605522216 has 16 divisors (see below), whose sum is σ = 3880930426740. Its totient is φ = 1031690741760.

The previous prime is 2066605522147. The next prime is 2066605522271. The reversal of 2066605522216 is 6122255066602.

It can be written as a sum of positive squares in 2 ways, for example, as 2061033496900 + 5572025316 = 1435630^2 + 74646^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201496971 + ... + 201507226.

Almost surely, 2^{2066605522216} is an apocalyptic number.

It is an amenable number.

2066605522216 is a deficient number, since it is larger than the sum of its proper divisors (1814324904524).

2066605522216 is a wasteful number, since it uses less digits than its factorization.

2066605522216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403004844 (or 403004840 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2066605522216 in words is "two trillion, sixty-six billion, six hundred five million, five hundred twenty-two thousand, two hundred sixteen".