168425500 has 48 divisors (see below), whose sum is σ = 387223200. Its totient is φ = 63820800.

The previous prime is 168425461. The next prime is 168425513. The reversal of 168425500 is 5524861.

168425500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×168425500³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636 + ... + 18364.

It is an arithmetic number, because the mean of its divisors is an integer number (8067150).

Almost surely, 2^168425500 is an apocalyptic number.

168425500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168425500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193611600).

168425500 is an abundant number, since it is smaller than the sum of its proper divisors (218797700).

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

168425500 is a wasteful number, since it uses less digits than its factorization.

168425500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17767 (or 17755 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 168425500 is about 12977.8850357059. The cubic root of 168425500 is about 552.2502847008.

The spelling of 168425500 in words is "one hundred sixty-eight million, four hundred twenty-five thousand, five hundred".