2016505105 has 8 divisors (see below), whose sum is σ = 2525015232. Its totient is φ = 1543064688.

The previous prime is 2016505103. The next prime is 2016505147. The reversal of 2016505105 is 5015056102.

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 2016505105 - 2¹ = 2016505103 is a prime.

It is a super-2 number, since 2×2016505105² = 8132585676982122050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2016505105.

It is not an unprimeable number, because it can be changed into a prime (2016505103) 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, 8767299 + ... + 8767528.

It is an arithmetic number, because the mean of its divisors is an integer number (315626904).

Almost surely, 2^2016505105 is an apocalyptic number.

It is an amenable number.

2016505105 is a deficient number, since it is larger than the sum of its proper divisors (508510127).

2016505105 is a wasteful number, since it uses less digits than its factorization.

2016505105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17534855.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2016505105 is about 44905.5130802444. The cubic root of 2016505105 is about 1263.3774141874.

The spelling of 2016505105 in words is "two billion, sixteen million, five hundred five thousand, one hundred five".