2685063168 has 130 divisors (see below), whose sum is σ = 8022052434. Its totient is φ = 894910464.

The previous prime is 2685063167. The next prime is 2685063179. The reversal of 2685063168 is 8613605862.

2685063168 is a `hidden beast` number, since 2 + 6 + 8 + 5 + 0 + 631 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2230861824 + 454201344 = 47232^2 + 21312^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685063167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 327730 + ... + 335822.

Almost surely, 2^2685063168 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 2685063168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4011026217).

2685063168 is an abundant number, since it is smaller than the sum of its proper divisors (5336989266).

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

2685063168 is an frugal number, since it uses more digits than its factorization.

2685063168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8129 (or 8098 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2685063168 is about 51817.5951584016. The cubic root of 2685063168 is about 1389.9040991062.

The spelling of 2685063168 in words is "two billion, six hundred eighty-five million, sixty-three thousand, one hundred sixty-eight".