613471163536 has 135 divisors (see below), whose sum is σ = 1520378518323. Its totient is φ = 238920749760.

The previous prime is 613471163521. The next prime is 613471163597. The reversal of 613471163536 is 635361174316.

The square root of 613471163536 is 783244.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 241237881 + ... + 241240423.

Almost surely, 2^613471163536 is an apocalyptic number.

613471163536 is the 783244-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613471163536

613471163536 is an abundant number, since it is smaller than the sum of its proper divisors (906907354787).

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

613471163536 is an equidigital number, since it uses as much as digits as its factorization.

613471163536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130 (or 2563 counting only the distinct ones).

The product of its digits is 816480, while the sum is 46.

The spelling of 613471163536 in words is "six hundred thirteen billion, four hundred seventy-one million, one hundred sixty-three thousand, five hundred thirty-six".