20161112 has 8 divisors (see below), whose sum is σ = 37802100. Its totient is φ = 10080552.

The previous prime is 20161103. The next prime is 20161139. The reversal of 20161112 is 21116102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1260062 + ... + 1260077.

Almost surely, 2^20161112 is an apocalyptic number.

It is an amenable number.

20161112 is a deficient number, since it is larger than the sum of its proper divisors (17640988).

20161112 is a wasteful number, since it uses less digits than its factorization.

20161112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520145 (or 2520141 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 20161112 is about 4490.1126934633. The cubic root of 20161112 is about 272.1686886139.

Adding to 20161112 its reverse (21116102), we get a palindrome (41277214).

The spelling of 20161112 in words is "twenty million, one hundred sixty-one thousand, one hundred twelve".