2000664916 has 12 divisors (see below), whose sum is σ = 3533285140. Its totient is φ = 991154880.

The previous prime is 2000664899. The next prime is 2000664917. The reversal of 2000664916 is 6194660002.

It can be written as a sum of positive squares in 2 ways, for example, as 595164816 + 1405500100 = 24396^2 + 37490^2 .

It is a super-2 number, since 2×2000664916² = 8005320212226574112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000664917) 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, 2293905 + ... + 2294776.

Almost surely, 2^2000664916 is an apocalyptic number.

It is an amenable number.

2000664916 is a deficient number, since it is larger than the sum of its proper divisors (1532620224).

2000664916 is a wasteful number, since it uses less digits than its factorization.

2000664916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588794 (or 4588792 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2000664916 is about 44728.7929191030. The cubic root of 2000664916 is about 1260.0606580355.

The spelling of 2000664916 in words is "two billion, six hundred sixty-four thousand, nine hundred sixteen".