553350411666 has 96 divisors (see below), whose sum is σ = 1296083617920. Its totient is φ = 169612515072.

The previous prime is 553350411641. The next prime is 553350411767. The reversal of 553350411666 is 666114053355.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69087070 + ... + 69095078.

It is an arithmetic number, because the mean of its divisors is an integer number (13500871020).

Almost surely, 2^553350411666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553350411666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648041808960).

553350411666 is an abundant number, since it is smaller than the sum of its proper divisors (742733206254).

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

553350411666 is a wasteful number, since it uses less digits than its factorization.

553350411666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120 (or 9117 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 553350411666 in words is "five hundred fifty-three billion, three hundred fifty million, four hundred eleven thousand, six hundred sixty-six".