2061556224 has 400 divisors, whose sum is σ = 7060402272. Its totient is φ = 531062784.

The previous prime is 2061556207. The next prime is 2061556247. The reversal of 2061556224 is 4226551602.

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 39 ways as a sum of consecutive naturals, for example, 47943147 + ... + 47943189.

Almost surely, 2^2061556224 is an apocalyptic number.

2061556224 is a gapful number since it is divisible by the number (24) 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 2061556224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3530201136).

2061556224 is an abundant number, since it is smaller than the sum of its proper divisors (4998846048).

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

2061556224 is an frugal number, since it uses more digits than its factorization.

2061556224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2061556224 is about 45404.3634907483. The cubic root of 2061556224 is about 1272.7166563963.

The spelling of 2061556224 in words is "two billion, sixty-one million, five hundred fifty-six thousand, two hundred twenty-four".