665135334 has 16 divisors (see below), whose sum is σ = 1478078640. Its totient is φ = 221711760.

The previous prime is 665135311. The next prime is 665135351. The reversal of 665135334 is 433531566.

665135334 is a `hidden beast` number, since 66 + 513 + 53 + 34 = 666.

665135334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6158607 + ... + 6158714.

It is an arithmetic number, because the mean of its divisors is an integer number (92379915).

Almost surely, 2^665135334 is an apocalyptic number.

665135334 is an abundant number, since it is smaller than the sum of its proper divisors (812943306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

665135334 is a wasteful number, since it uses less digits than its factorization.

665135334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12317332 (or 12317326 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 665135334 is about 25790.2177966763. The cubic root of 665135334 is about 872.9110807983.

The spelling of 665135334 in words is "six hundred sixty-five million, one hundred thirty-five thousand, three hundred thirty-four".