613554551136 has 144 divisors (see below), whose sum is σ = 1838684746080. Its totient is φ = 193688985600.

The previous prime is 613554551131. The next prime is 613554551153. The reversal of 613554551136 is 631155455316.

613554551136 is a `hidden beast` number, since 6 + 1 + 3 + 554 + 55 + 11 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 613554551091 and 613554551100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613554551131) 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, 210480 + ... + 1127568.

It is an arithmetic number, because the mean of its divisors is an integer number (12768644070).

Almost surely, 2^613554551136 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 613554551136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919342373040).

613554551136 is an abundant number, since it is smaller than the sum of its proper divisors (1225130194944).

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

613554551136 is a wasteful number, since it uses less digits than its factorization.

613554551136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917229 (or 917218 counting only the distinct ones).

The product of its digits is 810000, while the sum is 45.

The spelling of 613554551136 in words is "six hundred thirteen billion, five hundred fifty-four million, five hundred fifty-one thousand, one hundred thirty-six".