613246816 has 96 divisors (see below), whose sum is σ = 1494884160. Its totient is φ = 241145856.

The previous prime is 613246801. The next prime is 613246817. The reversal of 613246816 is 618642316.

It is a happy number.

Its product of digits (41472) is a multiple of the sum of its prime factors (1296).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613246817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573130 + ... + 574198.

It is an arithmetic number, because the mean of its divisors is an integer number (15571710).

Almost surely, 2^613246816 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 613246816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747442080).

613246816 is an abundant number, since it is smaller than the sum of its proper divisors (881637344).

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

613246816 is a wasteful number, since it uses less digits than its factorization.

613246816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 1288 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 613246816 is about 24763.8207068296. The cubic root of 613246816 is about 849.5946468619.

The spelling of 613246816 in words is "six hundred thirteen million, two hundred forty-six thousand, eight hundred sixteen".