2533536656 has 80 divisors (see below), whose sum is σ = 6007115520. Its totient is φ = 1010380800.

The previous prime is 2533536647. The next prime is 2533536667. The reversal of 2533536656 is 6566353352.

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 15 ways as a sum of consecutive naturals, for example, 161981 + ... + 176931.

It is an arithmetic number, because the mean of its divisors is an integer number (75088944).

Almost surely, 2^2533536656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2533536656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3003557760).

2533536656 is an abundant number, since it is smaller than the sum of its proper divisors (3473578864).

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

2533536656 is a wasteful number, since it uses less digits than its factorization.

2533536656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15072 (or 15066 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 44.

The square root of 2533536656 is about 50334.2493338284. The cubic root of 2533536656 is about 1363.2507042910.

The spelling of 2533536656 in words is "two billion, five hundred thirty-three million, five hundred thirty-six thousand, six hundred fifty-six".