660500313 has 16 divisors (see below), whose sum is σ = 966044352. Its totient is φ = 398088000.

The previous prime is 660500293. The next prime is 660500329. The reversal of 660500313 is 313005066.

It is not a de Polignac number, because 660500313 - 2¹⁰ = 660499289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660500713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49318 + ... + 61263.

It is an arithmetic number, because the mean of its divisors is an integer number (60377772).

Almost surely, 2^660500313 is an apocalyptic number.

It is an amenable number.

660500313 is a deficient number, since it is larger than the sum of its proper divisors (305544039).

660500313 is a wasteful number, since it uses less digits than its factorization.

660500313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110776.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 660500313 is about 25700.2006412401. The cubic root of 660500313 is about 870.8787145102.

Adding to 660500313 its reverse (313005066), we get a palindrome (973505379).

The spelling of 660500313 in words is "six hundred sixty million, five hundred thousand, three hundred thirteen".