2006711668 has 12 divisors (see below), whose sum is σ = 3781879780. Its totient is φ = 926174592.

The previous prime is 2006711647. The next prime is 2006711669. The reversal of 2006711668 is 8661176002.

It can be written as a sum of positive squares in 2 ways, for example, as 1170460944 + 836250724 = 34212^2 + 28918^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006711669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19295253 + ... + 19295356.

Almost surely, 2^2006711668 is an apocalyptic number.

It is an amenable number.

2006711668 is a deficient number, since it is larger than the sum of its proper divisors (1775168112).

2006711668 is a wasteful number, since it uses less digits than its factorization.

2006711668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38590626 (or 38590624 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2006711668 is about 44796.3354304791. The cubic root of 2006711668 is about 1261.3288382648.

The spelling of 2006711668 in words is "two billion, six million, seven hundred eleven thousand, six hundred sixty-eight".