3261633560 has 32 divisors (see below), whose sum is σ = 7340477040. Its totient is φ = 1304333184.

The previous prime is 3261633559. The next prime is 3261633563. The reversal of 3261633560 is 653361623.

It is a self number, because there is not a number n which added to its sum of digits gives 3261633560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261633563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220559 + ... + 234881.

Almost surely, 2^3261633560 is an apocalyptic number.

It is an amenable number.

3261633560 is an abundant number, since it is smaller than the sum of its proper divisors (4078843480).

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

3261633560 is a wasteful number, since it uses less digits than its factorization.

3261633560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20027 (or 20023 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 3261633560 is about 57110.7131806284. The cubic root of 3261633560 is about 1483.0133334317.

The spelling of 3261633560 in words is "three billion, two hundred sixty-one million, six hundred thirty-three thousand, five hundred sixty".