2016686143 has 4 divisors (see below), whose sum is σ = 2027135488. Its totient is φ = 2006236800.

The previous prime is 2016686141. The next prime is 2016686159. The reversal of 2016686143 is 3416866102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2016686143 - 2¹ = 2016686141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016686141) 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, 5224383 + ... + 5224768.

It is an arithmetic number, because the mean of its divisors is an integer number (506783872).

Almost surely, 2^2016686143 is an apocalyptic number.

2016686143 is a deficient number, since it is larger than the sum of its proper divisors (10449345).

2016686143 is a wasteful number, since it uses less digits than its factorization.

2016686143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10449344.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2016686143 is about 44907.5288008592. The cubic root of 2016686143 is about 1263.4152209312.

The spelling of 2016686143 in words is "two billion, sixteen million, six hundred eighty-six thousand, one hundred forty-three".