6613155312 has 80 divisors (see below), whose sum is σ = 18111510432. Its totient is φ = 2072125440.

The previous prime is 6613155301. The next prime is 6613155313. The reversal of 6613155312 is 2135513166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6613155313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711012 + ... + 720252.

Almost surely, 2^6613155312 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 6613155312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9055755216).

6613155312 is an abundant number, since it is smaller than the sum of its proper divisors (11498355120).

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

6613155312 is a wasteful number, since it uses less digits than its factorization.

6613155312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146 (or 10140 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 6613155312 is about 81321.3090893156. The cubic root of 6613155312 is about 1877.0229129697.

Adding to 6613155312 its reverse (2135513166), we get a palindrome (8748668478).

The spelling of 6613155312 in words is "six billion, six hundred thirteen million, one hundred fifty-five thousand, three hundred twelve".