2016026563 has 4 divisors (see below), whose sum is σ = 2036810440. Its totient is φ = 1995242688.

The previous prime is 2016026557. The next prime is 2016026569. The reversal of 2016026563 is 3656206102.

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

It is an interprime number because it is at equal distance from previous prime (2016026557) and next prime (2016026569).

It is a cyclic number.

It is not a de Polignac number, because 2016026563 - 2²⁹ = 1479155651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2016026569) 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, 10391793 + ... + 10391986.

It is an arithmetic number, because the mean of its divisors is an integer number (509202610).

Almost surely, 2^2016026563 is an apocalyptic number.

2016026563 is a deficient number, since it is larger than the sum of its proper divisors (20783877).

2016026563 is an equidigital number, since it uses as much as digits as its factorization.

2016026563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20783876.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2016026563 is about 44900.1844428283. The cubic root of 2016026563 is about 1263.2774678356.

The spelling of 2016026563 in words is "two billion, sixteen million, twenty-six thousand, five hundred sixty-three".