13666471051 has 4 divisors (see below), whose sum is σ = 13667133592. Its totient is φ = 13665808512.

The previous prime is 13666471043. The next prime is 13666471097. The reversal of 13666471051 is 15017466631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13666471051 - 2³ = 13666471043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13666470995 and 13666471013.

It is not an unprimeable number, because it can be changed into a prime (13666477051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299301 + ... + 341926.

It is an arithmetic number, because the mean of its divisors is an integer number (3416783398).

Almost surely, 2^13666471051 is an apocalyptic number.

13666471051 is a deficient number, since it is larger than the sum of its proper divisors (662541).

13666471051 is an equidigital number, since it uses as much as digits as its factorization.

13666471051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662540.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 13666471051 in words is "thirteen billion, six hundred sixty-six million, four hundred seventy-one thousand, fifty-one".