664666482 has 8 divisors (see below), whose sum is σ = 1329332976. Its totient is φ = 221555492.

The previous prime is 664666477. The next prime is 664666529. The reversal of 664666482 is 284666466.

It is a happy number.

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

664666482 is an admirable 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, 55388868 + ... + 55388879.

It is an arithmetic number, because the mean of its divisors is an integer number (166166622).

Almost surely, 2^664666482 is an apocalyptic number.

664666482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664666482 is a wasteful number, since it uses less digits than its factorization.

664666482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110777752.

The product of its digits is 1990656, while the sum is 48.

The square root of 664666482 is about 25781.1264687950. The cubic root of 664666482 is about 872.7059284099.

The spelling of 664666482 in words is "six hundred sixty-four million, six hundred sixty-six thousand, four hundred eighty-two".