2006686648 has 16 divisors (see below), whose sum is σ = 3766140000. Its totient is φ = 1002382656.

The previous prime is 2006686607. The next prime is 2006686687. The reversal of 2006686648 is 8466866002.

It is a super-2 number, since 2×2006686648² = 8053582606522951808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2006686598 and 2006686607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111168 + ... + 127951.

It is an arithmetic number, because the mean of its divisors is an integer number (235383750).

Almost surely, 2^2006686648 is an apocalyptic number.

It is an amenable number.

2006686648 is a deficient number, since it is larger than the sum of its proper divisors (1759453352).

2006686648 is a wasteful number, since it uses less digits than its factorization.

2006686648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240174 (or 240170 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 2006686648 is about 44796.0561656939. The cubic root of 2006686648 is about 1261.3235960935.

The spelling of 2006686648 in words is "two billion, six million, six hundred eighty-six thousand, six hundred forty-eight".