13346640266 has 8 divisors (see below), whose sum is σ = 20022526884. Its totient is φ = 6672464640.

The previous prime is 13346640133. The next prime is 13346640287. The reversal of 13346640266 is 66204664331.

It can be written as a sum of positive squares in 2 ways, for example, as 9490851241 + 3855789025 = 97421^2 + 62095^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408065 + ... + 439556.

Almost surely, 2^13346640266 is an apocalyptic number.

13346640266 is a deficient number, since it is larger than the sum of its proper divisors (6675886618).

13346640266 is an equidigital number, since it uses as much as digits as its factorization.

13346640266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855496.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 13346640266 in words is "thirteen billion, three hundred forty-six million, six hundred forty thousand, two hundred sixty-six".