168534396 has 108 divisors (see below), whose sum is σ = 459954768. Its totient is φ = 52015104.

The previous prime is 168534343. The next prime is 168534403. The reversal of 168534396 is 693435861.

168534396 is a `hidden beast` number, since 168 + 53 + 439 + 6 = 666.

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 35 ways as a sum of consecutive naturals, for example, 1009105 + ... + 1009271.

Almost surely, 2^168534396 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 168534396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229977384).

168534396 is an abundant number, since it is smaller than the sum of its proper divisors (291420372).

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

168534396 is a wasteful number, since it uses less digits than its factorization.

168534396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 286 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 168534396 is about 12982.0798025586. The cubic root of 168534396 is about 552.3692787385.

The spelling of 168534396 in words is "one hundred sixty-eight million, five hundred thirty-four thousand, three hundred ninety-six".