666710102 has 8 divisors (see below), whose sum is σ = 1024457112. Its totient is φ = 325224400.

The previous prime is 666710101. The next prime is 666710111. The reversal of 666710102 is 201017666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666710101) 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, 4065224 + ... + 4065387.

It is an arithmetic number, because the mean of its divisors is an integer number (128057139).

Almost surely, 2^666710102 is an apocalyptic number.

666710102 is a deficient number, since it is larger than the sum of its proper divisors (357747010).

666710102 is a wasteful number, since it uses less digits than its factorization.

666710102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130654.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 666710102 is about 25820.7300826293. The cubic root of 666710102 is about 873.5994364536.

Adding to 666710102 its reverse (201017666), we get a palindrome (867727768).

The spelling of 666710102 in words is "six hundred sixty-six million, seven hundred ten thousand, one hundred two".