613535285556 has 72 divisors (see below), whose sum is σ = 1574661152064. Its totient is φ = 201378355200.

The previous prime is 613535285551. The next prime is 613535285593. The reversal of 613535285556 is 655582535316.

613535285556 is a `hidden beast` number, since 6 + 1 + 3 + 5 + 3 + 5 + 2 + 85 + 556 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613535285551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6103156 + ... + 6202868.

Almost surely, 2^613535285556 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 613535285556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787330576032).

613535285556 is an abundant number, since it is smaller than the sum of its proper divisors (961125866508).

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

613535285556 is a wasteful number, since it uses less digits than its factorization.

613535285556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102341 (or 102336 counting only the distinct ones).

The product of its digits is 16200000, while the sum is 54.

The spelling of 613535285556 in words is "six hundred thirteen billion, five hundred thirty-five million, two hundred eighty-five thousand, five hundred fifty-six".