20161108 has 12 divisors (see below), whose sum is σ = 38489472. Its totient is φ = 9164120.

The previous prime is 20161103. The next prime is 20161139. The reversal of 20161108 is 80116102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20161103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229060 + ... + 229147.

It is an arithmetic number, because the mean of its divisors is an integer number (3207456).

Almost surely, 2^20161108 is an apocalyptic number.

It is an amenable number.

20161108 is a deficient number, since it is larger than the sum of its proper divisors (18328364).

20161108 is a wasteful number, since it uses less digits than its factorization.

20161108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458222 (or 458220 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 20161108 is about 4490.1122480401. The cubic root of 20161108 is about 272.1686706143.

The spelling of 20161108 in words is "twenty million, one hundred sixty-one thousand, one hundred eight".