2066800648 has 16 divisors (see below), whose sum is σ = 4227546960. Its totient is φ = 939454800.

The previous prime is 2066800627. The next prime is 2066800651. The reversal of 2066800648 is 8460086602.

It is a self number, because there is not a number n which added to its sum of digits gives 2066800648.

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, 11743098 + ... + 11743273.

It is an arithmetic number, because the mean of its divisors is an integer number (264221685).

Almost surely, 2^2066800648 is an apocalyptic number.

It is an amenable number.

2066800648 is an abundant number, since it is smaller than the sum of its proper divisors (2160746312).

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

2066800648 is a wasteful number, since it uses less digits than its factorization.

2066800648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23486388 (or 23486384 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 2066800648 is about 45462.0792309371. The cubic root of 2066800648 is about 1273.7949702381.

The spelling of 2066800648 in words is "two billion, sixty-six million, eight hundred thousand, six hundred forty-eight".