16049656563 has 4 divisors (see below), whose sum is σ = 21399542088. Its totient is φ = 10699771040.

The previous prime is 16049656559. The next prime is 16049656583. The reversal of 16049656563 is 36565694061.

It is a happy number.

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 16049656563 - 2² = 16049656559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16049656523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2674942758 + ... + 2674942763.

It is an arithmetic number, because the mean of its divisors is an integer number (5349885522).

Almost surely, 2^16049656563 is an apocalyptic number.

16049656563 is a deficient number, since it is larger than the sum of its proper divisors (5349885525).

16049656563 is an equidigital number, since it uses as much as digits as its factorization.

16049656563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349885524.

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 16049656563 in words is "sixteen billion, forty-nine million, six hundred fifty-six thousand, five hundred sixty-three".