201116170 has 8 divisors (see below), whose sum is σ = 362009124. Its totient is φ = 80446464.

The previous prime is 201116147. The next prime is 201116173. The reversal of 201116170 is 71611102.

It can be written as a sum of positive squares in 2 ways, for example, as 186622921 + 14493249 = 13661^2 + 3807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (201116173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10055799 + ... + 10055818.

Almost surely, 2^201116170 is an apocalyptic number.

201116170 is a deficient number, since it is larger than the sum of its proper divisors (160892954).

201116170 is a wasteful number, since it uses less digits than its factorization.

201116170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111624.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 201116170 is about 14181.5432869628. The cubic root of 201116170 is about 585.8894303842.

Adding to 201116170 its reverse (71611102), we get a palindrome (272727272).

It can be divided in two parts, 2011 and 16170, that added together give a palindrome (18181).

The spelling of 201116170 in words is "two hundred one million, one hundred sixteen thousand, one hundred seventy".