2668006650 has 24 divisors (see below), whose sum is σ = 6616656864. Its totient is φ = 711468400.

The previous prime is 2668006603. The next prime is 2668006651. The reversal of 2668006650 is 566008662.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2668006599 and 2668006608.

It is not an unprimeable number, because it can be changed into a prime (2668006651) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8893206 + ... + 8893505.

It is an arithmetic number, because the mean of its divisors is an integer number (275694036).

Almost surely, 2^2668006650 is an apocalyptic number.

2668006650 is an abundant number, since it is smaller than the sum of its proper divisors (3948650214).

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

2668006650 is a wasteful number, since it uses less digits than its factorization.

2668006650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17786726 (or 17786721 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2668006650 is about 51652.7506527968. The cubic root of 2668006650 is about 1386.9547829448.

The spelling of 2668006650 in words is "two billion, six hundred sixty-eight million, six thousand, six hundred fifty".