2656533330 has 96 divisors (see below), whose sum is σ = 7568728128. Its totient is φ = 641116800.

The previous prime is 2656533323. The next prime is 2656533337. The reversal of 2656533330 is 333356562.

2656533330 is a `hidden beast` number, since 265 + 65 + 3 + 3 + 330 = 666.

It is an interprime number because it is at equal distance from previous prime (2656533323) and next prime (2656533337).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2656533337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218820 + ... + 230640.

It is an arithmetic number, because the mean of its divisors is an integer number (78840918).

Almost surely, 2^2656533330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2656533330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3784364064).

2656533330 is an abundant number, since it is smaller than the sum of its proper divisors (4912194798).

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

2656533330 is a wasteful number, since it uses less digits than its factorization.

2656533330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12072 (or 12069 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 36.

The square root of 2656533330 is about 51541.5689516724. The cubic root of 2656533330 is about 1384.9638032654.

Adding to 2656533330 its reverse (333356562), we get a palindrome (2989889892).

It can be divided in two parts, 26565 and 33330, that added together give a palindrome (59895).

The spelling of 2656533330 in words is "two billion, six hundred fifty-six million, five hundred thirty-three thousand, three hundred thirty".