6601354003530 has 192 divisors, whose sum is σ = 20175553052928. Its totient is φ = 1476389652480.

The previous prime is 6601354003523. The next prime is 6601354003549. The reversal of 6601354003530 is 353004531066.

6601354003530 is a `hidden beast` number, since 6 + 60 + 1 + 3 + 540 + 0 + 3 + 53 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22725667 + ... + 23014313.

It is an arithmetic number, because the mean of its divisors is an integer number (105081005484).

Almost surely, 2^{6601354003530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6601354003530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10087776526464).

6601354003530 is an abundant number, since it is smaller than the sum of its proper divisors (13574199049398).

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

6601354003530 is a wasteful number, since it uses less digits than its factorization.

6601354003530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290461 (or 290458 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 6601354003530 its reverse (353004531066), we get a palindrome (6954358534596).

The spelling of 6601354003530 in words is "six trillion, six hundred one billion, three hundred fifty-four million, three thousand, five hundred thirty".