660424216126 has 8 divisors (see below), whose sum is σ = 990703452960. Its totient is φ = 330189731808.

The previous prime is 660424216097. The next prime is 660424216141. The reversal of 660424216126 is 621612424066.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11151211 + ... + 11210278.

It is an arithmetic number, because the mean of its divisors is an integer number (123837931620).

Almost surely, 2^660424216126 is an apocalyptic number.

660424216126 is a deficient number, since it is larger than the sum of its proper divisors (330279236834).

660424216126 is a wasteful number, since it uses less digits than its factorization.

660424216126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22376258.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 660424216126 in words is "six hundred sixty billion, four hundred twenty-four million, two hundred sixteen thousand, one hundred twenty-six".