169343981131 has 8 divisors (see below), whose sum is σ = 182374214400. Its totient is φ = 156314286912.

The previous prime is 169343981083. The next prime is 169343981141. The reversal of 169343981131 is 131189343961.

169343981131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 169343981131 - 2¹⁷ = 169343850059 is a prime.

It is a super-2 number, since 2×169343981131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169343981141) 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, 717270 + ... + 923668.

It is an arithmetic number, because the mean of its divisors is an integer number (22796776800).

Almost surely, 2^169343981131 is an apocalyptic number.

169343981131 is a deficient number, since it is larger than the sum of its proper divisors (13030233269).

169343981131 is a wasteful number, since it uses less digits than its factorization.

169343981131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269525.

The product of its digits is 419904, while the sum is 49.

The spelling of 169343981131 in words is "one hundred sixty-nine billion, three hundred forty-three million, nine hundred eighty-one thousand, one hundred thirty-one".