168387 has 12 divisors (see below), whose sum is σ = 236376. Its totient is φ = 106560.

The previous prime is 168353. The next prime is 168391. The reversal of 168387 is 783861.

It is not a de Polignac number, because 168387 - 2⁶ = 168323 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 168387.

It is not an unprimeable number, because it can be changed into a prime (168347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4087 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (19698).

2¹⁶⁸³⁸⁷ is an apocalyptic number.

168387 is a deficient number, since it is larger than the sum of its proper divisors (67989).

168387 is an equidigital number, since it uses as much as digits as its factorization.

168387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 81 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 168387 is about 410.3498507371. The cubic root of 168387 is about 55.2208202284.

It can be divided in two parts, 1683 and 87, that added together give a triangular number (1770 = T₅₉).

The spelling of 168387 in words is "one hundred sixty-eight thousand, three hundred eighty-seven".