665005062 has 16 divisors (see below), whose sum is σ = 1360941120. Its totient is φ = 216513192.

The previous prime is 665005039. The next prime is 665005069. The reversal of 665005062 is 260500566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665005069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288512 + ... + 1289027.

It is an arithmetic number, because the mean of its divisors is an integer number (85058820).

Almost surely, 2^665005062 is an apocalyptic number.

665005062 is an abundant number, since it is smaller than the sum of its proper divisors (695936058).

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

665005062 is a wasteful number, since it uses less digits than its factorization.

665005062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577587.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 665005062 is about 25787.6920642387. The cubic root of 665005062 is about 872.8540882379.

The spelling of 665005062 in words is "six hundred sixty-five million, five thousand, sixty-two".