16126563 has 4 divisors (see below), whose sum is σ = 21502088. Its totient is φ = 10751040.

The previous prime is 16126553. The next prime is 16126567. The reversal of 16126563 is 36562161.

16126563 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16126563 - 2⁹ = 16126051 is a prime.

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 16126563.

It is not an unprimeable number, because it can be changed into a prime (16126567) 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, 2687758 + ... + 2687763.

It is an arithmetic number, because the mean of its divisors is an integer number (5375522).

Almost surely, 2^16126563 is an apocalyptic number.

16126563 is a deficient number, since it is larger than the sum of its proper divisors (5375525).

16126563 is an equidigital number, since it uses as much as digits as its factorization.

16126563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375524.

The product of its digits is 6480, while the sum is 30.

The square root of 16126563 is about 4015.7892125957. The cubic root of 16126563 is about 252.6468798732.

The spelling of 16126563 in words is "sixteen million, one hundred twenty-six thousand, five hundred sixty-three".