660326422 has 16 divisors (see below), whose sum is σ = 1144709280. Its totient is φ = 279816768.

The previous prime is 660326413. The next prime is 660326489. The reversal of 660326422 is 224623066.

660326422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 263733 + ... + 266224.

It is an arithmetic number, because the mean of its divisors is an integer number (71544330).

Almost surely, 2^660326422 is an apocalyptic number.

660326422 is a deficient number, since it is larger than the sum of its proper divisors (484382858).

660326422 is a wasteful number, since it uses less digits than its factorization.

660326422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530055.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 660326422 is about 25696.8173515710. The cubic root of 660326422 is about 870.8022819134.

Adding to 660326422 its reverse (224623066), we get a palindrome (884949488).

The spelling of 660326422 in words is "six hundred sixty million, three hundred twenty-six thousand, four hundred twenty-two".