666027066073332 has 24 divisors (see below), whose sum is σ = 1645478633828736. Its totient is φ = 208949667787648.

The previous prime is 666027066073331. The next prime is 666027066073351. The reversal of 666027066073332 is 233370660720666.

It is a happy number.

It is a super-2 number, since 2×666027066073332² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666027066073331) 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, 1632419279388 + ... + 1632419279795.

It is an arithmetic number, because the mean of its divisors is an integer number (68561609742864).

Almost surely, 2^{666027066073332} is an apocalyptic number.

It is an amenable number.

666027066073332 is an abundant number, since it is smaller than the sum of its proper divisors (979451567755404).

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

666027066073332 is a wasteful number, since it uses less digits than its factorization.

666027066073332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264838559207 (or 3264838559205 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 57.

The spelling of 666027066073332 in words is "six hundred sixty-six trillion, twenty-seven billion, sixty-six million, seventy-three thousand, three hundred thirty-two".