201671112 has 16 divisors (see below), whose sum is σ = 504177840. Its totient is φ = 67223696.

The previous prime is 201671081. The next prime is 201671123. The reversal of 201671112 is 211176102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201458 + ... + 4201505.

It is an arithmetic number, because the mean of its divisors is an integer number (31511115).

Almost surely, 2^201671112 is an apocalyptic number.

It is an amenable number.

201671112 is an abundant number, since it is smaller than the sum of its proper divisors (302506728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201671112 is a wasteful number, since it uses less digits than its factorization.

201671112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402972 (or 8402968 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 201671112 is about 14201.0954507038. The cubic root of 201671112 is about 586.4278191518.

The spelling of 201671112 in words is "two hundred one million, six hundred seventy-one thousand, one hundred twelve".