666300766332 has 12 divisors (see below), whose sum is σ = 1554701788136. Its totient is φ = 222100255440.

The previous prime is 666300766289. The next prime is 666300766349. The reversal of 666300766332 is 233667003666.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×666300766332² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27762531919 + ... + 27762531942.

Almost surely, 2^666300766332 is an apocalyptic number.

It is an amenable number.

666300766332 is an abundant number, since it is smaller than the sum of its proper divisors (888401021804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666300766332 is a wasteful number, since it uses less digits than its factorization.

666300766332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55525063868 (or 55525063866 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 48.

Adding to 666300766332 its reverse (233667003666), we get a palindrome (899967769998).

The spelling of 666300766332 in words is "six hundred sixty-six billion, three hundred million, seven hundred sixty-six thousand, three hundred thirty-two".