13156169889 has 8 divisors (see below), whose sum is σ = 17562774240. Its totient is φ = 8760172736.

The previous prime is 13156169863. The next prime is 13156169911. The reversal of 13156169889 is 98896165131.

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 13156169889 - 2¹⁷ = 13156038817 is a prime.

It is a super-2 number, since 2×13156169889² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13156169989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648904 + ... + 2653865.

It is an arithmetic number, because the mean of its divisors is an integer number (2195346780).

Almost surely, 2^13156169889 is an apocalyptic number.

It is an amenable number.

13156169889 is a deficient number, since it is larger than the sum of its proper divisors (4406604351).

13156169889 is an equidigital number, since it uses as much as digits as its factorization.

13156169889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303599.

The product of its digits is 2799360, while the sum is 57.

The spelling of 13156169889 in words is "thirteen billion, one hundred fifty-six million, one hundred sixty-nine thousand, eight hundred eighty-nine".