2056656100 has 36 divisors (see below), whose sum is σ = 4583572084. Its totient is φ = 800426880.

The previous prime is 2056656061. The next prime is 2056656131. The reversal of 2056656100 is 16566502.

It can be written as a sum of positive squares in 6 ways, for example, as 108493056 + 1948163044 = 10416^2 + 44138^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274227 + ... + 281626.

Almost surely, 2^2056656100 is an apocalyptic number.

2056656100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056656100 is an abundant number, since it is smaller than the sum of its proper divisors (2526915984).

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

2056656100 is a wasteful number, since it uses less digits than its factorization.

2056656100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555904 (or 555897 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2056656100 is about 45350.3704505266. The cubic root of 2056656100 is about 1271.7074807290.

The spelling of 2056656100 in words is "two billion, fifty-six million, six hundred fifty-six thousand, one hundred".