2008606656 has 112 divisors (see below), whose sum is σ = 6129812480. Its totient is φ = 568581120.

The previous prime is 2008606643. The next prime is 2008606657. The reversal of 2008606656 is 6566068002.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2008606657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139641 + ... + 153351.

Almost surely, 2^2008606656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2008606656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064906240).

2008606656 is an abundant number, since it is smaller than the sum of its proper divisors (4121205824).

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

2008606656 is a wasteful number, since it uses less digits than its factorization.

2008606656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13842 (or 13832 counting only the distinct ones).

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

The square root of 2008606656 is about 44817.4815892192. The cubic root of 2008606656 is about 1261.7257481396.

The spelling of 2008606656 in words is "two billion, eight million, six hundred six thousand, six hundred fifty-six".