664335753 has 16 divisors (see below), whose sum is σ = 901513536. Its totient is φ = 435061440.

The previous prime is 664335739. The next prime is 664335757. The reversal of 664335753 is 357533466.

It is not a de Polignac number, because 664335753 - 2⁹ = 664335241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664335757) 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, 70543 + ... + 79403.

It is an arithmetic number, because the mean of its divisors is an integer number (56344596).

Almost surely, 2^664335753 is an apocalyptic number.

It is an amenable number.

664335753 is a deficient number, since it is larger than the sum of its proper divisors (237177783).

664335753 is a wasteful number, since it uses less digits than its factorization.

664335753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9304.

The product of its digits is 680400, while the sum is 42.

The square root of 664335753 is about 25774.7115017802. The cubic root of 664335753 is about 872.5611555287.

The spelling of 664335753 in words is "six hundred sixty-four million, three hundred thirty-five thousand, seven hundred fifty-three".