168751875 has 20 divisors (see below), whose sum is σ = 281166248. Its totient is φ = 90000000.

The previous prime is 168751873. The next prime is 168751889. The reversal of 168751875 is 578157861.

It is not a de Polignac number, because 168751875 - 2¹ = 168751873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168751871) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 43126 + ... + 46875.

Almost surely, 2^168751875 is an apocalyptic number.

168751875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168751875 is a deficient number, since it is larger than the sum of its proper divisors (112414373).

168751875 is an frugal number, since it uses more digits than its factorization.

168751875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90024 (or 90009 counting only the distinct ones).

The product of its digits is 470400, while the sum is 48.

The square root of 168751875 is about 12990.4532253498. The cubic root of 168751875 is about 552.6067714726.

It can be divided in two parts, 16875 and 1875, that multiplied together give a 4-th power (31640625 = 75⁴).

The spelling of 168751875 in words is "one hundred sixty-eight million, seven hundred fifty-one thousand, eight hundred seventy-five".