666702062 has 16 divisors (see below), whose sum is σ = 1094638272. Its totient is φ = 302663520.

The previous prime is 666702061. The next prime is 666702067. The reversal of 666702062 is 260207666.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666702061) 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 7 ways as a sum of consecutive naturals, for example, 208598 + ... + 211769.

It is an arithmetic number, because the mean of its divisors is an integer number (68414892).

Almost surely, 2^666702062 is an apocalyptic number.

666702062 is a deficient number, since it is larger than the sum of its proper divisors (427936210).

666702062 is a wasteful number, since it uses less digits than its factorization.

666702062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420443.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 666702062 is about 25820.5743933012. The cubic root of 666702062 is about 873.5959247986.

The spelling of 666702062 in words is "six hundred sixty-six million, seven hundred two thousand, sixty-two".