2006626864 has 20 divisors (see below), whose sum is σ = 4241279880. Its totient is φ = 912103040.

The previous prime is 2006626819. The next prime is 2006626871. The reversal of 2006626864 is 4686266002.

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, 5700469 + ... + 5700820.

It is an arithmetic number, because the mean of its divisors is an integer number (212063994).

Almost surely, 2^2006626864 is an apocalyptic number.

It is an amenable number.

2006626864 is an abundant number, since it is smaller than the sum of its proper divisors (2234653016).

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

2006626864 is a wasteful number, since it uses less digits than its factorization.

2006626864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401308 (or 11401302 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 2006626864 is about 44795.3888698379. The cubic root of 2006626864 is about 1261.3110700191.

The spelling of 2006626864 in words is "two billion, six million, six hundred twenty-six thousand, eight hundred sixty-four".