169160231 has 4 divisors (see below), whose sum is σ = 169187832. Its totient is φ = 169132632.

The previous prime is 169160221. The next prime is 169160267. The reversal of 169160231 is 132061961.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169160231 is a prime.

It is a super-2 number, since 2×169160231² = 57230367503946722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 169160194 and 169160203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169160221) 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 3 ways as a sum of consecutive naturals, for example, 20 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (42296958).

Almost surely, 2^169160231 is an apocalyptic number.

169160231 is a deficient number, since it is larger than the sum of its proper divisors (27601).

169160231 is an equidigital number, since it uses as much as digits as its factorization.

169160231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27600.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 169160231 is about 13006.1612707209. The cubic root of 169160231 is about 553.0521561791.

The spelling of 169160231 in words is "one hundred sixty-nine million, one hundred sixty thousand, two hundred thirty-one".