163708 has 6 divisors (see below), whose sum is σ = 286496. Its totient is φ = 81852.

The previous prime is 163697. The next prime is 163729. The reversal of 163708 is 807361.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

163708 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 20460 + ... + 20467.

2¹⁶³⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

163708 is a deficient number, since it is larger than the sum of its proper divisors (122788).

163708 is a wasteful number, since it uses less digits than its factorization.

163708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40931 (or 40929 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 163708 is about 404.6084527046. The cubic root of 163708 is about 54.7045312397.

The spelling of 163708 in words is "one hundred sixty-three thousand, seven hundred eight".