6660623170 has 8 divisors (see below), whose sum is σ = 11989121724. Its totient is φ = 2664249264.

The previous prime is 6660623161. The next prime is 6660623183. The reversal of 6660623170 is 713260666.

It can be written as a sum of positive squares in 2 ways, for example, as 6142013641 + 518609529 = 78371^2 + 22773^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333031149 + ... + 333031168.

Almost surely, 2^6660623170 is an apocalyptic number.

6660623170 is a deficient number, since it is larger than the sum of its proper divisors (5328498554).

6660623170 is a wasteful number, since it uses less digits than its factorization.

6660623170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666062324.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 6660623170 is about 81612.6409939049. The cubic root of 6660623170 is about 1881.5031710138.

The spelling of 6660623170 in words is "six billion, six hundred sixty million, six hundred twenty-three thousand, one hundred seventy".