13464652666 has 4 divisors (see below), whose sum is σ = 20196979002. Its totient is φ = 6732326332.

The previous prime is 13464652661. The next prime is 13464652717. The reversal of 13464652666 is 66625646431.

13464652666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66625646431 = 31 ⋅2149214401.

It can be written as a sum of positive squares in only one way, i.e., 13464121225 + 531441 = 116035^2 + 729^2 .

It is not an unprimeable number, because it can be changed into a prime (13464652661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3366163165 + ... + 3366163168.

Almost surely, 2^13464652666 is an apocalyptic number.

13464652666 is a deficient number, since it is larger than the sum of its proper divisors (6732326336).

13464652666 is an equidigital number, since it uses as much as digits as its factorization.

13464652666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732326335.

The product of its digits is 3732480, while the sum is 49.

The spelling of 13464652666 in words is "thirteen billion, four hundred sixty-four million, six hundred fifty-two thousand, six hundred sixty-six".