170116405 has 16 divisors (see below), whose sum is σ = 215383680. Its totient is φ = 128630592.

The previous prime is 170116363. The next prime is 170116459. The reversal of 170116405 is 504611071.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 170116405 - 2⁷ = 170116277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 170116405.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44427 + ... + 48103.

It is an arithmetic number, because the mean of its divisors is an integer number (13461480).

Almost surely, 2^170116405 is an apocalyptic number.

It is an amenable number.

170116405 is a deficient number, since it is larger than the sum of its proper divisors (45267275).

170116405 is a wasteful number, since it uses less digits than its factorization.

170116405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 170116405 is about 13042.8679744909. The cubic root of 170116405 is about 554.0922368113.

Adding to 170116405 its reverse (504611071), we get a palindrome (674727476).

The spelling of 170116405 in words is "one hundred seventy million, one hundred sixteen thousand, four hundred five".