2051641152 has 126 divisors (see below), whose sum is σ = 6464084354. Its totient is φ = 621688320.

The previous prime is 2051641127. The next prime is 2051641153. The reversal of 2051641152 is 2511461502.

2051641152 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 641 + 15 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2037980736 + 13660416 = 45144^2 + 3696^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051641153) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 54978 + ... + 84414.

Almost surely, 2^2051641152 is an apocalyptic number.

2051641152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051641152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3232042177).

2051641152 is an abundant number, since it is smaller than the sum of its proper divisors (4412443202).

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

2051641152 is a wasteful number, since it uses less digits than its factorization.

2051641152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29477 (or 29453 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2051641152 is about 45295.0455568818. The cubic root of 2051641152 is about 1270.6729960642.

The spelling of 2051641152 in words is "two billion, fifty-one million, six hundred forty-one thousand, one hundred fifty-two".