6775125648 has 80 divisors (see below), whose sum is σ = 18080170176. Its totient is φ = 2184537600.

The previous prime is 6775125641. The next prime is 6775125649. The reversal of 6775125648 is 8465215776.

It is a self number, because there is not a number n which added to its sum of digits gives 6775125648.

It is not an unprimeable number, because it can be changed into a prime (6775125641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296223 + ... + 318273.

Almost surely, 2^6775125648 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 6775125648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9040085088).

6775125648 is an abundant number, since it is smaller than the sum of its proper divisors (11305044528).

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

6775125648 is a wasteful number, since it uses less digits than its factorization.

6775125648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22272 (or 22266 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The square root of 6775125648 is about 82311.1514194766. The cubic root of 6775125648 is about 1892.2235848806.

The spelling of 6775125648 in words is "six billion, seven hundred seventy-five million, one hundred twenty-five thousand, six hundred forty-eight".