6671254720 has 168 divisors, whose sum is σ = 17302459680. Its totient is φ = 2448875520.

The previous prime is 6671254717. The next prime is 6671254721. The reversal of 6671254720 is 274521766.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671254721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15196261 + ... + 15196699.

Almost surely, 2^6671254720 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 6671254720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8651229840).

6671254720 is an abundant number, since it is smaller than the sum of its proper divisors (10631204960).

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

6671254720 is a wasteful number, since it uses less digits than its factorization.

6671254720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 6671254720 is about 81677.7492344151. The cubic root of 6671254720 is about 1882.5037111037.

The spelling of 6671254720 in words is "six billion, six hundred seventy-one million, two hundred fifty-four thousand, seven hundred twenty".