168428484 has 135 divisors (see below), whose sum is σ = 517212927. Its totient is φ = 47655216.

The previous prime is 168428479. The next prime is 168428531. The reversal of 168428484 is 484824861.

The square root of 168428484 is 12978.

It is a perfect power (a square), and thus also a powerful number.

168428484 is a `hidden beast` number, since 168 + 4 + 2 + 8 + 484 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1635177 + ... + 1635279.

Almost surely, 2^168428484 is an apocalyptic number.

168428484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

168428484 is the 12978-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168428484

168428484 is an abundant number, since it is smaller than the sum of its proper divisors (348784443).

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

168428484 is a wasteful number, since it uses less digits than its factorization.

168428484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 115 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The cubic root of 168428484 is about 552.2535460936.

The spelling of 168428484 in words is "one hundred sixty-eight million, four hundred twenty-eight thousand, four hundred eighty-four".