6662706564613 has 8 divisors (see below), whose sum is σ = 7306461651456. Its totient is φ = 6025293892800.

The previous prime is 6662706564539. The next prime is 6662706564637. The reversal of 6662706564613 is 3164656072666.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6662706564613 - 2⁴¹ = 4463683309061 is a prime.

It is a super-2 number, since 2×6662706564613² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662706564413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585601556 + ... + 1585605757.

It is an arithmetic number, because the mean of its divisors is an integer number (913307706432).

Almost surely, 2^{6662706564613} is an apocalyptic number.

It is an amenable number.

6662706564613 is a deficient number, since it is larger than the sum of its proper divisors (643755086843).

6662706564613 is a wasteful number, since it uses less digits than its factorization.

6662706564613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171207515.

The product of its (nonzero) digits is 39191040, while the sum is 58.

The spelling of 6662706564613 in words is "six trillion, six hundred sixty-two billion, seven hundred six million, five hundred sixty-four thousand, six hundred thirteen".