6612558144 has 224 divisors, whose sum is σ = 19593031680. Its totient is φ = 1958381568.

The previous prime is 6612558143. The next prime is 6612558247. The reversal of 6612558144 is 4418552166.

It is a junction number, because it is equal to n+sod(n) for n = 6612558096 and 6612558105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6612558143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4446169 + ... + 4447655.

Almost surely, 2^6612558144 is an apocalyptic number.

6612558144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6612558144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9796515840).

6612558144 is an abundant number, since it is smaller than the sum of its proper divisors (12980473536).

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

6612558144 is a wasteful number, since it uses less digits than its factorization.

6612558144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597 (or 1587 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 6612558144 is about 81317.6373488556. The cubic root of 6612558144 is about 1876.9664128722.

The spelling of 6612558144 in words is "six billion, six hundred twelve million, five hundred fifty-eight thousand, one hundred forty-four".