2071121856 has 56 divisors (see below), whose sum is σ = 5528395344. Its totient is φ = 684257280.

The previous prime is 2071121821. The next prime is 2071121869. The reversal of 2071121856 is 6581211702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26035 + ... + 69426.

Almost surely, 2^2071121856 is an apocalyptic number.

It is an amenable number.

2071121856 is an abundant number, since it is smaller than the sum of its proper divisors (3457273488).

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

2071121856 is a wasteful number, since it uses less digits than its factorization.

2071121856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95589 (or 95579 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 2071121856 is about 45509.5798266695. The cubic root of 2071121856 is about 1274.6820903658.

The spelling of 2071121856 in words is "two billion, seventy-one million, one hundred twenty-one thousand, eight hundred fifty-six".