16544914563 has 16 divisors (see below), whose sum is σ = 23433977600. Its totient is φ = 10353549600.

The previous prime is 16544914531. The next prime is 16544914571. The reversal of 16544914563 is 36541944561.

It is a happy number.

It is not a de Polignac number, because 16544914563 - 2⁵ = 16544914531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16544914583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325263 + ... + 1337688.

It is an arithmetic number, because the mean of its divisors is an integer number (1464623600).

Almost surely, 2^16544914563 is an apocalyptic number.

16544914563 is a deficient number, since it is larger than the sum of its proper divisors (6889063037).

16544914563 is a wasteful number, since it uses less digits than its factorization.

16544914563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663082.

The product of its digits is 1555200, while the sum is 48.

The spelling of 16544914563 in words is "sixteen billion, five hundred forty-four million, nine hundred fourteen thousand, five hundred sixty-three".