666263327257106 has 16 divisors (see below), whose sum is σ = 1010268933876288. Its totient is φ = 329513414286000.

The previous prime is 666263327257069. The next prime is 666263327257117. The reversal of 666263327257106 is 601752723362666.

666263327257106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599371420 + ... + 1599787943.

It is an arithmetic number, because the mean of its divisors is an integer number (63141808367268).

Almost surely, 2^{666263327257106} is an apocalyptic number.

666263327257106 is a deficient number, since it is larger than the sum of its proper divisors (344005606619182).

666263327257106 is a wasteful number, since it uses less digits than its factorization.

666263327257106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199160497.

The product of its (nonzero) digits is 137168640, while the sum is 62.

The spelling of 666263327257106 in words is "six hundred sixty-six trillion, two hundred sixty-three billion, three hundred twenty-seven million, two hundred fifty-seven thousand, one hundred six".