664482343 has 6 divisors (see below), whose sum is σ = 759486344. Its totient is φ = 569497836.

The previous prime is 664482331. The next prime is 664482353. The reversal of 664482343 is 343284466.

It is not a de Polignac number, because 664482343 - 2¹⁷ = 664351271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 664482296 and 664482305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664482353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63330 + ... + 73072.

Almost surely, 2^664482343 is an apocalyptic number.

664482343 is a deficient number, since it is larger than the sum of its proper divisors (95004001).

664482343 is an frugal number, since it uses more digits than its factorization.

664482343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19493 (or 9750 counting only the distinct ones).

The product of its digits is 331776, while the sum is 40.

The square root of 664482343 is about 25777.5550237023. Note that the first 3 decimals coincide. The cubic root of 664482343 is about 872.6253295714.

The spelling of 664482343 in words is "six hundred sixty-four million, four hundred eighty-two thousand, three hundred forty-three".