16563003334275 has 12 divisors (see below), whose sum is σ = 27384165512792. Its totient is φ = 8833601778240.

The previous prime is 16563003334217. The next prime is 16563003334327. The reversal of 16563003334275 is 57243330036561.

It is not a de Polignac number, because 16563003334275 - 2⁶ = 16563003334211 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110420022154 + ... + 110420022303.

Almost surely, 2^{16563003334275} is an apocalyptic number.

16563003334275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16563003334275 is a deficient number, since it is larger than the sum of its proper divisors (10821162178517).

16563003334275 is a wasteful number, since it uses less digits than its factorization.

16563003334275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220840044470 (or 220840044465 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 48.

The spelling of 16563003334275 in words is "sixteen trillion, five hundred sixty-three billion, three million, three hundred thirty-four thousand, two hundred seventy-five".