612441343411660 has 192 divisors, whose sum is σ = 1497442173696000. Its totient is φ = 206052317614080.

The previous prime is 612441343411649. The next prime is 612441343411673. The reversal of 612441343411660 is 66114343144216.

It is a self number, because there is not a number n which added to its sum of digits gives 612441343411660.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37052526276 + ... + 37052542804.

It is an arithmetic number, because the mean of its divisors is an integer number (7799177988000).

Almost surely, 2^{612441343411660} 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 612441343411660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748721086848000).

612441343411660 is an abundant number, since it is smaller than the sum of its proper divisors (885000830284340).

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

612441343411660 is a wasteful number, since it uses less digits than its factorization.

612441343411660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24344 (or 24342 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

Adding to 612441343411660 its reverse (66114343144216), we get a palindrome (678555686555876).

The spelling of 612441343411660 in words is "six hundred twelve trillion, four hundred forty-one billion, three hundred forty-three million, four hundred eleven thousand, six hundred sixty".