2066544696 has 16 divisors (see below), whose sum is σ = 5166361800. Its totient is φ = 688848224.

The previous prime is 2066544643. The next prime is 2066544721. The reversal of 2066544696 is 6964456602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43052991 + ... + 43053038.

Almost surely, 2^2066544696 is an apocalyptic number.

It is an amenable number.

2066544696 is an abundant number, since it is smaller than the sum of its proper divisors (3099817104).

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

2066544696 is a wasteful number, since it uses less digits than its factorization.

2066544696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86106038 (or 86106034 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The square root of 2066544696 is about 45459.2641383470. The cubic root of 2066544696 is about 1273.7423859326.

The spelling of 2066544696 in words is "two billion, sixty-six million, five hundred forty-four thousand, six hundred ninety-six".