2008178656 has 48 divisors (see below), whose sum is σ = 4320812160. Its totient is φ = 911159680.

The previous prime is 2008178617. The next prime is 2008178671. The reversal of 2008178656 is 6568718002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201765 + ... + 211483.

It is an arithmetic number, because the mean of its divisors is an integer number (90016920).

Almost surely, 2^2008178656 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 2008178656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160406080).

2008178656 is an abundant number, since it is smaller than the sum of its proper divisors (2312633504).

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

2008178656 is a wasteful number, since it uses less digits than its factorization.

2008178656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327 (or 10319 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 2008178656 is about 44812.7064123559. The cubic root of 2008178656 is about 1261.6361243234.

The spelling of 2008178656 in words is "two billion, eight million, one hundred seventy-eight thousand, six hundred fifty-six".