2016431517 has 8 divisors (see below), whose sum is σ = 2709099360. Its totient is φ = 1334025680.

The previous prime is 2016431491. The next prime is 2016431533. The reversal of 2016431517 is 7151346102.

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

It is a cyclic number.

It is not a de Polignac number, because 2016431517 - 2¹⁵ = 2016398749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016431017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565042 + ... + 2565827.

It is an arithmetic number, because the mean of its divisors is an integer number (338637420).

Almost surely, 2^2016431517 is an apocalyptic number.

It is an amenable number.

2016431517 is a deficient number, since it is larger than the sum of its proper divisors (692667843).

2016431517 is a wasteful number, since it uses less digits than its factorization.

2016431517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131003.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 2016431517 is about 44904.6937078965. The cubic root of 2016431517 is about 1263.3620459234.

Adding to 2016431517 its reverse (7151346102), we get a palindrome (9167777619).

It can be divided in two parts, 20164 and 31517, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 2016431517 in words is "two billion, sixteen million, four hundred thirty-one thousand, five hundred seventeen".