2016115705 has 4 divisors (see below), whose sum is σ = 2419338852. Its totient is φ = 1612892560.

The previous prime is 2016115691. The next prime is 2016115747. The reversal of 2016115705 is 5075116102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1217940201 + 798175504 = 34899^2 + 28252^2 .

It is not a de Polignac number, because 2016115705 - 2²¹ = 2014018553 is a prime.

It is a Duffinian 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, 201611566 + ... + 201611575.

It is an arithmetic number, because the mean of its divisors is an integer number (604834713).

Almost surely, 2^2016115705 is an apocalyptic number.

It is an amenable number.

2016115705 is a deficient number, since it is larger than the sum of its proper divisors (403223147).

2016115705 is an equidigital number, since it uses as much as digits as its factorization.

2016115705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403223146.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 2016115705 is about 44901.1771003835. The cubic root of 2016115705 is about 1263.2960868727.

The spelling of 2016115705 in words is "two billion, sixteen million, one hundred fifteen thousand, seven hundred five".