6525531063616 has 28 divisors (see below), whose sum is σ = 13710812512788. Its totient is φ = 3070838147072.

The previous prime is 6525531063613. The next prime is 6525531063637. The reversal of 6525531063616 is 6163601355256.

It can be written as a sum of positive squares in 2 ways, for example, as 2480927409216 + 4044603654400 = 1575096^2 + 2011120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6525531063616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525531063613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2998864291 + ... + 2998866466.

Almost surely, 2^{6525531063616} is an apocalyptic number.

It is an amenable number.

6525531063616 is an abundant number, since it is smaller than the sum of its proper divisors (7185281449172).

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

6525531063616 is a wasteful number, since it uses less digits than its factorization.

6525531063616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997730786 (or 5997730776 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 49.

The spelling of 6525531063616 in words is "six trillion, five hundred twenty-five billion, five hundred thirty-one million, sixty-three thousand, six hundred sixteen".