169855164 has 48 divisors (see below), whose sum is σ = 441252000. Its totient is φ = 56504448.

The previous prime is 169855163. The next prime is 169855183. The reversal of 169855164 is 461558961.

169855164 is a `hidden beast` number, since 1 + 6 + 98 + 551 + 6 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169855163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65362 + ... + 67910.

It is an arithmetic number, because the mean of its divisors is an integer number (9192750).

Almost surely, 2^169855164 is an apocalyptic number.

It is an amenable number.

169855164 is an abundant number, since it is smaller than the sum of its proper divisors (271396836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169855164 is a wasteful number, since it uses less digits than its factorization.

169855164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179 (or 3171 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 169855164 is about 13032.8494198314. The cubic root of 169855164 is about 553.8084590264.

The spelling of 169855164 in words is "one hundred sixty-nine million, eight hundred fifty-five thousand, one hundred sixty-four".