666846032812226 has 32 divisors (see below), whose sum is σ = 1003133833712640. Its totient is φ = 332469514386000.

The previous prime is 666846032812217. The next prime is 666846032812283. The reversal of 666846032812226 is 622218230648666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19363089515 + ... + 19363123953.

It is an arithmetic number, because the mean of its divisors is an integer number (31347932303520).

Almost surely, 2^{666846032812226} is an apocalyptic number.

666846032812226 is a deficient number, since it is larger than the sum of its proper divisors (336287800900414).

666846032812226 is a wasteful number, since it uses less digits than its factorization.

666846032812226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54350.

The product of its (nonzero) digits is 95551488, while the sum is 62.

The spelling of 666846032812226 in words is "six hundred sixty-six trillion, eight hundred forty-six billion, thirty-two million, eight hundred twelve thousand, two hundred twenty-six".