13366626461 has 4 divisors (see below), whose sum is σ = 13367440800. Its totient is φ = 13365812124.

The previous prime is 13366626457. The next prime is 13366626541. The reversal of 13366626461 is 16462666331.

13366626461 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13366626461 - 2² = 13366626457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13366626451) 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 in 3 ways as a sum of consecutive naturals, for example, 382031 + ... + 415548.

It is an arithmetic number, because the mean of its divisors is an integer number (3341860200).

Almost surely, 2^13366626461 is an apocalyptic number.

It is an amenable number.

13366626461 is a deficient number, since it is larger than the sum of its proper divisors (814339).

13366626461 is an equidigital number, since it uses as much as digits as its factorization.

13366626461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814338.

The product of its digits is 559872, while the sum is 44.

The spelling of 13366626461 in words is "thirteen billion, three hundred sixty-six million, six hundred twenty-six thousand, four hundred sixty-one".