2051837568 has 224 divisors, whose sum is σ = 6689160000. Its totient is φ = 621457920.

The previous prime is 2051837561. The next prime is 2051837573. The reversal of 2051837568 is 8657381502.

2051837568 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 83 + 7 + 568 = 666.

It is not an unprimeable number, because it can be changed into a prime (2051837561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1025433 + ... + 1027431.

Almost surely, 2^2051837568 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 2051837568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3344580000).

2051837568 is an abundant number, since it is smaller than the sum of its proper divisors (4637322432).

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

2051837568 is an equidigital number, since it uses as much as digits as its factorization.

2051837568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 2051837568 is about 45297.2136891443. The cubic root of 2051837568 is about 1270.7135445040.

The spelling of 2051837568 in words is "two billion, fifty-one million, eight hundred thirty-seven thousand, five hundred sixty-eight".