168875625 has 20 divisors (see below), whose sum is σ = 281372432. Its totient is φ = 90066000.

The previous prime is 168875611. The next prime is 168875627. The reversal of 168875625 is 526578861.

It is not a de Polignac number, because 168875625 - 2⁵ = 168875593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168875627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43159 + ... + 46908.

Almost surely, 2^168875625 is an apocalyptic number.

168875625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168875625 is a deficient number, since it is larger than the sum of its proper divisors (112496807).

168875625 is an frugal number, since it uses more digits than its factorization.

168875625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90090 (or 90075 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 168875625 is about 12995.2154657012. The cubic root of 168875625 is about 552.7418186212.

The spelling of 168875625 in words is "one hundred sixty-eight million, eight hundred seventy-five thousand, six hundred twenty-five".