666428482 has 8 divisors (see below), whose sum is σ = 1016586000. Its totient is φ = 327566484.

The previous prime is 666428479. The next prime is 666428489. The reversal of 666428482 is 284824666.

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

It is not an unprimeable number, because it can be changed into a prime (666428489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823732 + ... + 2823967.

It is an arithmetic number, because the mean of its divisors is an integer number (127073250).

Almost surely, 2^666428482 is an apocalyptic number.

666428482 is a deficient number, since it is larger than the sum of its proper divisors (350157518).

666428482 is a wasteful number, since it uses less digits than its factorization.

666428482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647760.

The product of its digits is 884736, while the sum is 46.

The square root of 666428482 is about 25815.2761364274. The cubic root of 666428482 is about 873.4764156080.

The spelling of 666428482 in words is "six hundred sixty-six million, four hundred twenty-eight thousand, four hundred eighty-two".