163387 has 8 divisors (see below), whose sum is σ = 197856. Its totient is φ = 131712.

The previous prime is 163367. The next prime is 163393. The reversal of 163387 is 783361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163387 - 2⁷ = 163259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568 + ... + 805.

It is an arithmetic number, because the mean of its divisors is an integer number (24732).

2¹⁶³³⁸⁷ is an apocalyptic number.

163387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

163387 is a deficient number, since it is larger than the sum of its proper divisors (34469).

163387 is a wasteful number, since it uses less digits than its factorization.

163387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397.

The product of its digits is 3024, while the sum is 28.

The square root of 163387 is about 404.2115782607. The cubic root of 163387 is about 54.6687528122.

It can be divided in two parts, 16 and 3387, that added together give a triangular number (3403 = T₈₂).

The spelling of 163387 in words is "one hundred sixty-three thousand, three hundred eighty-seven".