6738855144 has 128 divisors (see below), whose sum is σ = 20281344000. Its totient is φ = 1863207360.

The previous prime is 6738855119. The next prime is 6738855157. The reversal of 6738855144 is 4415588376.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241989 + ... + 268395.

It is an arithmetic number, because the mean of its divisors is an integer number (158448000).

Almost surely, 2^6738855144 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 6738855144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10140672000).

6738855144 is an abundant number, since it is smaller than the sum of its proper divisors (13542488856).

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

6738855144 is a wasteful number, since it uses less digits than its factorization.

6738855144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26468 (or 26450 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The square root of 6738855144 is about 82090.5301724870. The cubic root of 6738855144 is about 1888.8408804889.

The spelling of 6738855144 in words is "six billion, seven hundred thirty-eight million, eight hundred fifty-five thousand, one hundred forty-four".