16563041315 has 8 divisors (see below), whose sum is σ = 19897472448. Its totient is φ = 13235884480.

The previous prime is 16563041281. The next prime is 16563041317. The reversal of 16563041315 is 51314036561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16563041315 - 2¹⁴ = 16563024931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16563041317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1813562 + ... + 1822671.

It is an arithmetic number, because the mean of its divisors is an integer number (2487184056).

Almost surely, 2^16563041315 is an apocalyptic number.

16563041315 is a deficient number, since it is larger than the sum of its proper divisors (3334431133).

16563041315 is an equidigital number, since it uses as much as digits as its factorization.

16563041315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637149.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 16563041315 its reverse (51314036561), we get a palindrome (67877077876).

The spelling of 16563041315 in words is "sixteen billion, five hundred sixty-three million, forty-one thousand, three hundred fifteen".