2006646759 has 12 divisors (see below), whose sum is σ = 3121450696. Its totient is φ = 1234859472.

The previous prime is 2006646749. The next prime is 2006646767. The reversal of 2006646759 is 9576466002.

It is not a de Polignac number, because 2006646759 - 2¹² = 2006642663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006646749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8575297 + ... + 8575530.

Almost surely, 2^2006646759 is an apocalyptic number.

2006646759 is a deficient number, since it is larger than the sum of its proper divisors (1114803937).

2006646759 is a wasteful number, since it uses less digits than its factorization.

2006646759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17150846 (or 17150843 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 2006646759 is about 44795.6109345547. The cubic root of 2006646759 is about 1261.3152384906.

The spelling of 2006646759 in words is "two billion, six million, six hundred forty-six thousand, seven hundred fifty-nine".