666230871010 has 8 divisors (see below), whose sum is σ = 1199215567836. Its totient is φ = 266492348400.

The previous prime is 666230870993. The next prime is 666230871017. The reversal of 666230871010 is 10178032666.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 547432772769 + 118798098241 = 739887^2 + 344671^2 .

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

It is not an unprimeable number, because it can be changed into a prime (666230871017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33311543541 + ... + 33311543560.

Almost surely, 2^666230871010 is an apocalyptic number.

666230871010 is a deficient number, since it is larger than the sum of its proper divisors (532984696826).

666230871010 is a wasteful number, since it uses less digits than its factorization.

666230871010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66623087108.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 666230871010 in words is "six hundred sixty-six billion, two hundred thirty million, eight hundred seventy-one thousand, ten".