2056686912 has 168 divisors, whose sum is σ = 6881262336. Its totient is φ = 575069184.

The previous prime is 2056686857. The next prime is 2056686943. The reversal of 2056686912 is 2196866502.

2056686912 is a `hidden beast` number, since 2 + 0 + 566 + 86 + 9 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×2056686912² = 8459922107984191488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184078 + ... + 194930.

Almost surely, 2^2056686912 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 2056686912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3440631168).

2056686912 is an abundant number, since it is smaller than the sum of its proper divisors (4824575424).

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

2056686912 is a wasteful number, since it uses less digits than its factorization.

2056686912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10925 (or 10912 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 2056686912 is about 45350.7101598200. The cubic root of 2056686912 is about 1271.7138314351.

The spelling of 2056686912 in words is "two billion, fifty-six million, six hundred eighty-six thousand, nine hundred twelve".