666426210304 has 24 divisors (see below), whose sum is σ = 1332527021280. Its totient is φ = 333213104128.

The previous prime is 666426210293. The next prime is 666426210343. The reversal of 666426210304 is 403012624666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162699664 + ... + 162703759.

It is an arithmetic number, because the mean of its divisors is an integer number (55521959220).

Almost surely, 2^666426210304 is an apocalyptic number.

666426210304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

666426210304 is a deficient number, since it is larger than the sum of its proper divisors (666100810976).

666426210304 is an equidigital number, since it uses as much as digits as its factorization.

666426210304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325403445 (or 325403425 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 666426210304 in words is "six hundred sixty-six billion, four hundred twenty-six million, two hundred ten thousand, three hundred four".