16716005563 has 4 divisors (see below), whose sum is σ = 16716652840. Its totient is φ = 16715358288.

The previous prime is 16716005549. The next prime is 16716005567. The reversal of 16716005563 is 36550061761.

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

It is a cyclic number.

It is not a de Polignac number, because 16716005563 - 2³³ = 8126070971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16716005567) 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, 283218 + ... + 337111.

It is an arithmetic number, because the mean of its divisors is an integer number (4179163210).

Almost surely, 2^16716005563 is an apocalyptic number.

16716005563 is a deficient number, since it is larger than the sum of its proper divisors (647277).

16716005563 is an equidigital number, since it uses as much as digits as its factorization.

16716005563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647276.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 16716005563 in words is "sixteen billion, seven hundred sixteen million, five thousand, five hundred sixty-three".