2256565116 has 48 divisors (see below), whose sum is σ = 5673350144. Its totient is φ = 693959616.

The previous prime is 2256565109. The next prime is 2256565127. The reversal of 2256565116 is 6115656522.

It is a happy number.

It is a super-2 number, since 2×2256565116² = 10184172245496186912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519345 + ... + 523671.

Almost surely, 2^2256565116 is an apocalyptic number.

2256565116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2256565116 is an abundant number, since it is smaller than the sum of its proper divisors (3416785028).

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

2256565116 is a wasteful number, since it uses less digits than its factorization.

2256565116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7690 (or 7688 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 2256565116 is about 47503.3168947180. The cubic root of 2256565116 is about 1311.6439388914.

The spelling of 2256565116 in words is "two billion, two hundred fifty-six million, five hundred sixty-five thousand, one hundred sixteen".