664008303 has 16 divisors (see below), whose sum is σ = 1012190720. Its totient is φ = 379295136.

The previous prime is 664008299. The next prime is 664008307. The reversal of 664008303 is 303800466.

It is an interprime number because it is at equal distance from previous prime (664008299) and next prime (664008307).

It is not a de Polignac number, because 664008303 - 2² = 664008299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664008307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91401 + ... + 98397.

It is an arithmetic number, because the mean of its divisors is an integer number (63261920).

Almost surely, 2^664008303 is an apocalyptic number.

664008303 is a deficient number, since it is larger than the sum of its proper divisors (348182417).

664008303 is a wasteful number, since it uses less digits than its factorization.

664008303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 664008303 is about 25768.3585623920. The cubic root of 664008303 is about 872.4177706486.

Adding to 664008303 its reverse (303800466), we get a palindrome (967808769).

The spelling of 664008303 in words is "six hundred sixty-four million, eight thousand, three hundred three".