2066500671 has 16 divisors (see below), whose sum is σ = 2928524544. Its totient is φ = 1291689344.

The previous prime is 2066500663. The next prime is 2066500679. The reversal of 2066500671 is 1760056602.

It is an interprime number because it is at equal distance from previous prime (2066500663) and next prime (2066500679).

It is a cyclic number.

It is not a de Polignac number, because 2066500671 - 2³ = 2066500663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066500679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63621 + ... + 90446.

It is an arithmetic number, because the mean of its divisors is an integer number (183032784).

Almost surely, 2^2066500671 is an apocalyptic number.

2066500671 is a deficient number, since it is larger than the sum of its proper divisors (862023873).

2066500671 is a wasteful number, since it uses less digits than its factorization.

2066500671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154350.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2066500671 is about 45458.7799110359. The cubic root of 2066500671 is about 1273.7333407364.

The spelling of 2066500671 in words is "two billion, sixty-six million, five hundred thousand, six hundred seventy-one".