2066313255399 has 24 divisors (see below), whose sum is σ = 3071447039232. Its totient is φ = 1337940873360.

The previous prime is 2066313255397. The next prime is 2066313255403. The reversal of 2066313255399 is 9935523136602.

It is a happy number.

2066313255399 is a `hidden beast` number, since 20 + 6 + 6 + 31 + 32 + 553 + 9 + 9 = 666.

It is not a de Polignac number, because 2066313255399 - 2¹ = 2066313255397 is a prime.

It is a super-2 number, since 2×2066313255399² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066313255397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18589249 + ... + 18700074.

It is an arithmetic number, because the mean of its divisors is an integer number (127976959968).

Almost surely, 2^{2066313255399} is an apocalyptic number.

2066313255399 is a deficient number, since it is larger than the sum of its proper divisors (1005133783833).

2066313255399 is a wasteful number, since it uses less digits than its factorization.

2066313255399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37289507 (or 37289504 counting only the distinct ones).

The product of its (nonzero) digits is 7873200, while the sum is 54.

The spelling of 2066313255399 in words is "two trillion, sixty-six billion, three hundred thirteen million, two hundred fifty-five thousand, three hundred ninety-nine".