6665214265 has 8 divisors (see below), whose sum is σ = 8107822728. Its totient is φ = 5259127680.

The previous prime is 6665214239. The next prime is 6665214287. The reversal of 6665214265 is 5624125666.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1574819856 + 5090394409 = 39684^2 + 71347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6665214265 - 2⁵ = 6665214233 is a prime.

It is a Duffinian 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, 9130066 + ... + 9130795.

It is an arithmetic number, because the mean of its divisors is an integer number (1013477841).

Almost surely, 2^6665214265 is an apocalyptic number.

It is an amenable number.

6665214265 is a deficient number, since it is larger than the sum of its proper divisors (1442608463).

6665214265 is a wasteful number, since it uses less digits than its factorization.

6665214265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18260939.

The product of its digits is 518400, while the sum is 43.

The square root of 6665214265 is about 81640.7635008395. The cubic root of 6665214265 is about 1881.9353716057.

The spelling of 6665214265 in words is "six billion, six hundred sixty-five million, two hundred fourteen thousand, two hundred sixty-five".