664482488 has 32 divisors (see below), whose sum is σ = 1259886960. Its totient is φ = 328527360.

The previous prime is 664482487. The next prime is 664482491. The reversal of 664482488 is 884284466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664482487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683843 + ... + 684813.

Almost surely, 2^664482488 is an apocalyptic number.

It is an amenable number.

664482488 is a deficient number, since it is larger than the sum of its proper divisors (595404472).

664482488 is a wasteful number, since it uses less digits than its factorization.

664482488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847 (or 1843 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 50.

The square root of 664482488 is about 25777.5578362265. The cubic root of 664482488 is about 872.6253930447.

The spelling of 664482488 in words is "six hundred sixty-four million, four hundred eighty-two thousand, four hundred eighty-eight".