2016507917 has 4 divisors (see below), whose sum is σ = 2017165920. Its totient is φ = 2015849916.

The previous prime is 2016507901. The next prime is 2016507923. The reversal of 2016507917 is 7197056102.

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 2016507917 - 2⁴ = 2016507901 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 (2016507947) 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, 324383 + ... + 330540.

It is an arithmetic number, because the mean of its divisors is an integer number (504291480).

Almost surely, 2^2016507917 is an apocalyptic number.

It is an amenable number.

2016507917 is a deficient number, since it is larger than the sum of its proper divisors (658003).

2016507917 is an equidigital number, since it uses as much as digits as its factorization.

2016507917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658002.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 2016507917 is about 44905.5443904202. The cubic root of 2016507917 is about 1263.3780014436.

The spelling of 2016507917 in words is "two billion, sixteen million, five hundred seven thousand, nine hundred seventeen".