6664332525 has 12 divisors (see below), whose sum is σ = 11018363232. Its totient is φ = 3554310640.

The previous prime is 6664332497. The next prime is 6664332557. The reversal of 6664332525 is 5252334666.

It is not a de Polignac number, because 6664332525 - 2⁷ = 6664332397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44428809 + ... + 44428958.

It is an arithmetic number, because the mean of its divisors is an integer number (918196936).

Almost surely, 2^6664332525 is an apocalyptic number.

It is an amenable number.

6664332525 is a deficient number, since it is larger than the sum of its proper divisors (4354030707).

6664332525 is a wasteful number, since it uses less digits than its factorization.

6664332525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88857780 (or 88857775 counting only the distinct ones).

The product of its digits is 777600, while the sum is 42.

The square root of 6664332525 is about 81635.3632012500. The cubic root of 6664332525 is about 1881.8523809817.

The spelling of 6664332525 in words is "six billion, six hundred sixty-four million, three hundred thirty-two thousand, five hundred twenty-five".