2016760409 has 4 divisors (see below), whose sum is σ = 2018096640. Its totient is φ = 2015424180.

The previous prime is 2016760393. The next prime is 2016760411. The reversal of 2016760409 is 9040676102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2016760409 - 2⁴ = 2016760393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2016760429) 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, 665849 + ... + 668870.

It is an arithmetic number, because the mean of its divisors is an integer number (504524160).

Almost surely, 2^2016760409 is an apocalyptic number.

It is an amenable number.

2016760409 is a deficient number, since it is larger than the sum of its proper divisors (1336231).

2016760409 is a wasteful number, since it uses less digits than its factorization.

2016760409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336230.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2016760409 is about 44908.3556701868. The cubic root of 2016760409 is about 1263.4307294828.

The spelling of 2016760409 in words is "two billion, sixteen million, seven hundred sixty thousand, four hundred nine".