163916 has 12 divisors (see below), whose sum is σ = 293832. Its totient is φ = 79968.

The previous prime is 163909. The next prime is 163927. The reversal of 163916 is 619361.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305 + ... + 648.

It is an arithmetic number, because the mean of its divisors is an integer number (24486).

2¹⁶³⁹¹⁶ is an apocalyptic number.

It is an amenable number.

163916 is a deficient number, since it is larger than the sum of its proper divisors (129916).

163916 is a wasteful number, since it uses less digits than its factorization.

163916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 998 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

The square root of 163916 is about 404.8654097351. The cubic root of 163916 is about 54.7276898042.

It can be divided in two parts, 16391 and 6, that multiplied together give a triangular number (98346 = T₄₄₃).

The spelling of 163916 in words is "one hundred sixty-three thousand, nine hundred sixteen".