2256005616 has 20 divisors (see below), whose sum is σ = 5828014632. Its totient is φ = 752001856.

The previous prime is 2256005611. The next prime is 2256005657. The reversal of 2256005616 is 6165006522.

It is a happy number.

It is a super-2 number, since 2×2256005616² = 10179122678847078912, which contains 22 as substring.

2256005616 is a modest number, since divided by 5616 gives 2256 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256005611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23500011 + ... + 23500106.

Almost surely, 2^2256005616 is an apocalyptic number.

It is an amenable number.

2256005616 is an abundant number, since it is smaller than the sum of its proper divisors (3572009016).

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

2256005616 is a wasteful number, since it uses less digits than its factorization.

2256005616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47000128 (or 47000122 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2256005616 is about 47497.4274671797. The cubic root of 2256005616 is about 1311.5355255276.

The spelling of 2256005616 in words is "two billion, two hundred fifty-six million, five thousand, six hundred sixteen".