6665810341 has 4 divisors (see below), whose sum is σ = 6895665900. Its totient is φ = 6435954784.

The previous prime is 6665810339. The next prime is 6665810429. The reversal of 6665810341 is 1430185666.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5693306116 + 972504225 = 75454^2 + 31185^2 .

It is a cyclic number.

It is not a de Polignac number, because 6665810341 - 2¹ = 6665810339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6665810294 and 6665810303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665810311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114927736 + ... + 114927793.

It is an arithmetic number, because the mean of its divisors is an integer number (1723916475).

Almost surely, 2^6665810341 is an apocalyptic number.

It is an amenable number.

6665810341 is a deficient number, since it is larger than the sum of its proper divisors (229855559).

6665810341 is a wasteful number, since it uses less digits than its factorization.

6665810341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229855558.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 6665810341 is about 81644.4140220260. The cubic root of 6665810341 is about 1881.9914709811.

The spelling of 6665810341 in words is "six billion, six hundred sixty-five million, eight hundred ten thousand, three hundred forty-one".