666224567404 has 24 divisors (see below), whose sum is σ = 1338824491200. Its totient is φ = 286890961680.

The previous prime is 666224567383. The next prime is 666224567417. The reversal of 666224567404 is 404765422666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398458834 + ... + 398460505.

It is an arithmetic number, because the mean of its divisors is an integer number (55784353800).

Almost surely, 2^666224567404 is an apocalyptic number.

It is an amenable number.

666224567404 is an abundant number, since it is smaller than the sum of its proper divisors (672599923796).

666224567404 is a wasteful number, since it uses less digits than its factorization.

666224567404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796919373 (or 796919371 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 666224567404 in words is "six hundred sixty-six billion, two hundred twenty-four million, five hundred sixty-seven thousand, four hundred four".