13851081366 has 8 divisors (see below), whose sum is σ = 27702162744. Its totient is φ = 4617027120.

The previous prime is 13851081337. The next prime is 13851081401. The reversal of 13851081366 is 66318015831.

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

13851081366 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154256775 + ... + 1154256786.

It is an arithmetic number, because the mean of its divisors is an integer number (3462770343).

Almost surely, 2^13851081366 is an apocalyptic number.

13851081366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13851081366 is a wasteful number, since it uses less digits than its factorization.

13851081366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308513566.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 13851081366 in words is "thirteen billion, eight hundred fifty-one million, eighty-one thousand, three hundred sixty-six".