666130322 has 32 divisors (see below), whose sum is σ = 1175489280. Its totient is φ = 279112320.

The previous prime is 666130303. The next prime is 666130343. The reversal of 666130322 is 223031666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321863 + ... + 323925.

It is an arithmetic number, because the mean of its divisors is an integer number (36734040).

Almost surely, 2^666130322 is an apocalyptic number.

666130322 is a deficient number, since it is larger than the sum of its proper divisors (509358958).

666130322 is a wasteful number, since it uses less digits than its factorization.

666130322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 666130322 is about 25809.5006150836. The cubic root of 666130322 is about 873.3461317719.

Adding to 666130322 its reverse (223031666), we get a palindrome (889161988).

The spelling of 666130322 in words is "six hundred sixty-six million, one hundred thirty thousand, three hundred twenty-two".