3581618688000 has 832 divisors, whose sum is σ = 13383941975040. Its totient is φ = 944898048000.

The previous prime is 3581618687987. The next prime is 3581618688007. The reversal of 3581618688000 is 8868161853.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3581618688007) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1340926665 + ... + 1340929335.

It is an arithmetic number, because the mean of its divisors is an integer number (16086468720).

Almost surely, 2^{3581618688000} is an apocalyptic number.

3581618688000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3581618688000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6691970987520).

3581618688000 is an abundant number, since it is smaller than the sum of its proper divisors (9802323287040).

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

3581618688000 is an equidigital number, since it uses as much as digits as its factorization.

3581618688000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816 (or 2778 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 3581618688000 in words is "three trillion, five hundred eighty-one billion, six hundred eighteen million, six hundred eighty-eight thousand".