169385041 has 24 divisors (see below), whose sum is σ = 207169920. Its totient is φ = 135406656.

The previous prime is 169385003. The next prime is 169385071. The reversal of 169385041 is 140583961.

It is a de Polignac number, because none of the positive numbers 2^k-169385041 is a prime.

It is a super-2 number, since 2×169385041² = 57382584229143362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169385071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297405 + ... + 297973.

It is an arithmetic number, because the mean of its divisors is an integer number (8632080).

Almost surely, 2^169385041 is an apocalyptic number.

It is an amenable number.

169385041 is a deficient number, since it is larger than the sum of its proper divisors (37784879).

169385041 is an equidigital number, since it uses as much as digits as its factorization.

169385041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 169385041 is about 13014.8008436549. The cubic root of 169385041 is about 553.2970455308.

The spelling of 169385041 in words is "one hundred sixty-nine million, three hundred eighty-five thousand, forty-one".