16563772033215 has 16 divisors (see below), whose sum is σ = 28911311185536. Its totient is φ = 8030919773600.

The previous prime is 16563772033157. The next prime is 16563772033219. The reversal of 16563772033215 is 51233027736561.

It is not a de Polignac number, because 16563772033215 - 2¹⁰ = 16563772032191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16563772033219) 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, 50193248421 + ... + 50193248750.

It is an arithmetic number, because the mean of its divisors is an integer number (1806956949096).

Almost surely, 2^{16563772033215} is an apocalyptic number.

16563772033215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16563772033215 is a deficient number, since it is larger than the sum of its proper divisors (12347539152321).

16563772033215 is a wasteful number, since it uses less digits than its factorization.

16563772033215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100386497190.

The product of its (nonzero) digits is 4762800, while the sum is 51.

Adding to 16563772033215 its reverse (51233027736561), we get a palindrome (67796799769776).

The spelling of 16563772033215 in words is "sixteen trillion, five hundred sixty-three billion, seven hundred seventy-two million, thirty-three thousand, two hundred fifteen".