13873166881 has 8 divisors (see below), whose sum is σ = 15856903040. Its totient is φ = 11889894528.

The previous prime is 13873166873. The next prime is 13873166891. The reversal of 13873166881 is 18866137831.

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

It is a cyclic number.

It is not a de Polignac number, because 13873166881 - 2³ = 13873166873 is a prime.

It is a super-2 number, since 2×13873166881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13873166891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49296 + ... + 173713.

It is an arithmetic number, because the mean of its divisors is an integer number (1982112880).

Almost surely, 2^13873166881 is an apocalyptic number.

It is an amenable number.

13873166881 is a deficient number, since it is larger than the sum of its proper divisors (1983736159).

13873166881 is an equidigital number, since it uses as much as digits as its factorization.

13873166881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231903.

The product of its digits is 1161216, while the sum is 52.

The spelling of 13873166881 in words is "thirteen billion, eight hundred seventy-three million, one hundred sixty-six thousand, eight hundred eighty-one".