2066650817016 has 32 divisors (see below), whose sum is σ = 5178134034000. Its totient is φ = 687349340160.

The previous prime is 2066650816999. The next prime is 2066650817041. The reversal of 2066650817016 is 6107180566602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95880595 + ... + 95902146.

Almost surely, 2^{2066650817016} is an apocalyptic number.

It is an amenable number.

2066650817016 is an abundant number, since it is smaller than the sum of its proper divisors (3111483216984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066650817016 is a wasteful number, since it uses less digits than its factorization.

2066650817016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191783199 (or 191783195 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 2066650817016 in words is "two trillion, sixty-six billion, six hundred fifty million, eight hundred seventeen thousand, sixteen".