666982802303 has 8 divisors (see below), whose sum is σ = 672288238080. Its totient is φ = 661678204320.

The previous prime is 666982802273. The next prime is 666982802329. The reversal of 666982802303 is 303208289666.

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

It is a cyclic number.

It is not a de Polignac number, because 666982802303 - 2²⁰ = 666981753727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666982802903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440593 + ... + 1846421.

It is an arithmetic number, because the mean of its divisors is an integer number (84036029760).

Almost surely, 2^666982802303 is an apocalyptic number.

666982802303 is a deficient number, since it is larger than the sum of its proper divisors (5305435777).

666982802303 is a wasteful number, since it uses less digits than its factorization.

666982802303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418897.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 666982802303 in words is "six hundred sixty-six billion, nine hundred eighty-two million, eight hundred two thousand, three hundred three".