3558241643664 has 160 divisors (see below), whose sum is σ = 9605091734784. Its totient is φ = 1133950371840.

The previous prime is 3558241643633. The next prime is 3558241643687. The reversal of 3558241643664 is 4663461428553.

It is a happy number.

It is a super-2 number, since 2×3558241643664² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109728157 + ... + 109760579.

Almost surely, 2^{3558241643664} 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 3558241643664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4802545867392).

3558241643664 is an abundant number, since it is smaller than the sum of its proper divisors (6046850091120).

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

3558241643664 is a wasteful number, since it uses less digits than its factorization.

3558241643664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33545 (or 33539 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 57.

The spelling of 3558241643664 in words is "three trillion, five hundred fifty-eight billion, two hundred forty-one million, six hundred forty-three thousand, six hundred sixty-four".