169814641 has 2 divisors, whose sum is σ = 169814642. Its totient is φ = 169814640.

The previous prime is 169814639. The next prime is 169814653. The reversal of 169814641 is 146418961.

169814641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132250000 + 37564641 = 11500^2 + 6129^2 .

It is a cyclic number.

It is not a de Polignac number, because 169814641 - 2¹ = 169814639 is a prime.

Together with 169814639, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 169814594 and 169814603.

It is not a weakly prime, because it can be changed into another prime (169811641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84907320 + 84907321.

It is an arithmetic number, because the mean of its divisors is an integer number (84907321).

Almost surely, 2^169814641 is an apocalyptic number.

It is an amenable number.

169814641 is a deficient number, since it is larger than the sum of its proper divisors (1).

169814641 is an equidigital number, since it uses as much as digits as its factorization.

169814641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 40.

The square root of 169814641 is about 13031.2946785805. The cubic root of 169814641 is about 553.7644141186.

The spelling of 169814641 in words is "one hundred sixty-nine million, eight hundred fourteen thousand, six hundred forty-one".