6616305303552 has 816 divisors, whose sum is σ = 23012020127520. Its totient is φ = 1873205526528.

The previous prime is 6616305303539. The next prime is 6616305303607. The reversal of 6616305303552 is 2553035036166.

6616305303552 is a `hidden beast` number, since 6 + 6 + 1 + 6 + 30 + 530 + 35 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6616305303498 and 6616305303507.

It is a congruent 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, 11878465258 + ... + 11878465814.

Almost surely, 2^{6616305303552} 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 6616305303552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11506010063760).

6616305303552 is an abundant number, since it is smaller than the sum of its proper divisors (16395714823968).

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

6616305303552 is an equidigital number, since it uses as much as digits as its factorization.

6616305303552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 45.

The spelling of 6616305303552 in words is "six trillion, six hundred sixteen billion, three hundred five million, three hundred three thousand, five hundred fifty-two".