16563775372504 has 16 divisors (see below), whose sum is σ = 31057162161120. Its totient is φ = 8281865462880.

The previous prime is 16563775372499. The next prime is 16563775372541. The reversal of 16563775372504 is 40527357736561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636622 + ... + 5790754.

It is an arithmetic number, because the mean of its divisors is an integer number (1941072635070).

Almost surely, 2^{16563775372504} is an apocalyptic number.

It is an amenable number.

16563775372504 is a deficient number, since it is larger than the sum of its proper divisors (14493386788616).

16563775372504 is a wasteful number, since it uses less digits than its factorization.

16563775372504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555850 (or 5555846 counting only the distinct ones).

The product of its (nonzero) digits is 111132000, while the sum is 61.

The spelling of 16563775372504 in words is "sixteen trillion, five hundred sixty-three billion, seven hundred seventy-five million, three hundred seventy-two thousand, five hundred four".