6671525687 has 8 divisors (see below), whose sum is σ = 6752097792. Its totient is φ = 6591403000.

The previous prime is 6671525677. The next prime is 6671525701. The reversal of 6671525687 is 7865251766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6671525687 - 2²² = 6667331383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6671525677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82439 + ... + 141912.

It is an arithmetic number, because the mean of its divisors is an integer number (844012224).

Almost surely, 2^6671525687 is an apocalyptic number.

6671525687 is a deficient number, since it is larger than the sum of its proper divisors (80572105).

6671525687 is a wasteful number, since it uses less digits than its factorization.

6671525687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224709.

The product of its digits is 4233600, while the sum is 53.

The square root of 6671525687 is about 81679.4079741032. The cubic root of 6671525687 is about 1882.5291980372.

The spelling of 6671525687 in words is "six billion, six hundred seventy-one million, five hundred twenty-five thousand, six hundred eighty-seven".