168294128 has 40 divisors (see below), whose sum is σ = 342942336. Its totient is φ = 79851200.

The previous prime is 168294107. The next prime is 168294143. The reversal of 168294128 is 821492861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46463 + ... + 49953.

Almost surely, 2^168294128 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 168294128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171471168).

168294128 is an abundant number, since it is smaller than the sum of its proper divisors (174648208).

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

168294128 is a wasteful number, since it uses less digits than its factorization.

168294128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653 (or 3647 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 168294128 is about 12972.8226689491. The cubic root of 168294128 is about 552.1066621582.

The spelling of 168294128 in words is "one hundred sixty-eight million, two hundred ninety-four thousand, one hundred twenty-eight".