6665171070 has 32 divisors (see below), whose sum is σ = 16053357600. Its totient is φ = 1771051520.

The previous prime is 6665171053. The next prime is 6665171077. The reversal of 6665171070 is 701715666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665171077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386895 + ... + 403754.

It is an arithmetic number, because the mean of its divisors is an integer number (501667425).

Almost surely, 2^6665171070 is an apocalyptic number.

6665171070 is an abundant number, since it is smaller than the sum of its proper divisors (9388186530).

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

6665171070 is a wasteful number, since it uses less digits than its factorization.

6665171070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790940.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 6665171070 is about 81640.4989573190. The cubic root of 6665171070 is about 1881.9313062014.

The spelling of 6665171070 in words is "six billion, six hundred sixty-five million, one hundred seventy-one thousand, seventy".