13066826617 has 8 divisors (see below), whose sum is σ = 14094782856. Its totient is φ = 12042129792.

The previous prime is 13066826609. The next prime is 13066826639. The reversal of 13066826617 is 71662866031.

It can be written as a sum of positive squares in 4 ways, for example, as 553943296 + 12512883321 = 23536^2 + 111861^2 .

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 13066826617 - 2³ = 13066826609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13066827617) 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, 806518 + ... + 822559.

It is an arithmetic number, because the mean of its divisors is an integer number (1761847857).

Almost surely, 2^13066826617 is an apocalyptic number.

It is an amenable number.

13066826617 is a deficient number, since it is larger than the sum of its proper divisors (1027956239).

13066826617 is a wasteful number, since it uses less digits than its factorization.

13066826617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629707.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 13066826617 in words is "thirteen billion, sixty-six million, eight hundred twenty-six thousand, six hundred seventeen".