168505104 has 80 divisors (see below), whose sum is σ = 453105920. Its totient is φ = 53913600.

The previous prime is 168505093. The next prime is 168505111. The reversal of 168505104 is 401505861.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 139704 + ... + 140904.

It is an arithmetic number, because the mean of its divisors is an integer number (5663824).

Almost surely, 2^168505104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168505104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226552960).

168505104 is an abundant number, since it is smaller than the sum of its proper divisors (284600816).

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

168505104 is a wasteful number, since it uses less digits than its factorization.

168505104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 168505104 is about 12980.9515829927. The cubic root of 168505104 is about 552.3372755021.

The spelling of 168505104 in words is "one hundred sixty-eight million, five hundred five thousand, one hundred four".