2056566330 has 192 divisors, whose sum is σ = 6968602368. Its totient is φ = 408360960.

The previous prime is 2056566311. The next prime is 2056566361. The reversal of 2056566330 is 336656502.

2056566330 is a `hidden beast` number, since 2 + 0 + 565 + 6 + 63 + 30 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 131845 + ... + 146615.

It is an arithmetic number, because the mean of its divisors is an integer number (36294804).

Almost surely, 2^2056566330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2056566330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3484301184).

2056566330 is an abundant number, since it is smaller than the sum of its proper divisors (4912036038).

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

2056566330 is a wasteful number, since it uses less digits than its factorization.

2056566330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14821 (or 14818 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 2056566330 is about 45349.3807013944. The cubic root of 2056566330 is about 1271.6889777422.

The spelling of 2056566330 in words is "two billion, fifty-six million, five hundred sixty-six thousand, three hundred thirty".