6536604505536 has 560 divisors, whose sum is σ = 23148632432640. Its totient is φ = 1784453898240.

The previous prime is 6536604505517. The next prime is 6536604505549. The reversal of 6536604505536 is 6355054066356.

6536604505536 is a `hidden beast` number, since 6 + 5 + 3 + 6 + 60 + 45 + 0 + 5 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 88832536 + ... + 88906088.

Almost surely, 2^{6536604505536} 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 6536604505536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11574316216320).

6536604505536 is an abundant number, since it is smaller than the sum of its proper divisors (16612027927104).

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

6536604505536 is a wasteful number, since it uses less digits than its factorization.

6536604505536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73694 (or 73675 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 54.

The spelling of 6536604505536 in words is "six trillion, five hundred thirty-six billion, six hundred four million, five hundred five thousand, five hundred thirty-six".