2051656712 has 64 divisors (see below), whose sum is σ = 4492039680. Its totient is φ = 860251392.

The previous prime is 2051656699. The next prime is 2051656729. The reversal of 2051656712 is 2176561502.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1373438 + ... + 1374930.

It is an arithmetic number, because the mean of its divisors is an integer number (70188120).

Almost surely, 2^2051656712 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 2051656712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2246019840).

2051656712 is an abundant number, since it is smaller than the sum of its proper divisors (2440382968).

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

2051656712 is a wasteful number, since it uses less digits than its factorization.

2051656712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2051656712 is about 45295.2173192711. The cubic root of 2051656712 is about 1270.6762083904.

The spelling of 2051656712 in words is "two billion, fifty-one million, six hundred fifty-six thousand, seven hundred twelve".